Home / 3,450,870,115.10-5,176,305,172.65-2,899,872,086.30

Finding the Fourth Proportional to 3,450,870,115.10, 5,176,305,172.65 and 2,899,872,086.30

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Solution

The fourth proportional to 3,450,870,115.10, 5,176,305,172.65 and 2,899,872,086.30 is: 4,349,808,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,870,115.10 : 5,176,305,172.65 = 2,899,872,086.30 : x
  2. Step 2: Convert to fraction form
    3,450,870,115.10/5,176,305,172.65 = 2,899,872,086.30/x
  3. Step 3: Cross multiply
    3,450,870,115.10x = 5,176,305,172.65 × 2,899,872,086.30
  4. Step 4: Simplify right side
    3,450,870,115.10x = 15,010,622,880,338,036,736
  5. Step 5: Solve for x
    x = 15,010,622,880,338,036,736/3,450,870,115.10
  6. Step 6: Final answer
    x = 4,349,808,129.45

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Half scale
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Double scale
Find fourth proportional to 3,450,870,116.10, 5,176,305,174.15 and 2,899,872,087.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.