Home / 1,034,212,037.10-1,551,318,055.65-830,138,693.10

Finding the Fourth Proportional to 1,034,212,037.10, 1,551,318,055.65 and 830,138,693.10

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Solution

The fourth proportional to 1,034,212,037.10, 1,551,318,055.65 and 830,138,693.10 is: 1,245,208,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,212,037.10 : 1,551,318,055.65 = 830,138,693.10 : x
  2. Step 2: Convert to fraction form
    1,034,212,037.10/1,551,318,055.65 = 830,138,693.10/x
  3. Step 3: Cross multiply
    1,034,212,037.10x = 1,551,318,055.65 × 830,138,693.10
  4. Step 4: Simplify right side
    1,034,212,037.10x = 1,287,809,143,299,724,288
  5. Step 5: Solve for x
    x = 1,287,809,143,299,724,288/1,034,212,037.10
  6. Step 6: Final answer
    x = 1,245,208,039.65

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Half scale
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Double scale
Find fourth proportional to 1,034,212,038.10, 1,551,318,057.15 and 830,138,694.10
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.