Home / 1,065,362,157.10-1,598,043,235.65-874,043,397.10

Finding the Fourth Proportional to 1,065,362,157.10, 1,598,043,235.65 and 874,043,397.10

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Solution

The fourth proportional to 1,065,362,157.10, 1,598,043,235.65 and 874,043,397.10 is: 1,311,065,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,362,157.10 : 1,598,043,235.65 = 874,043,397.10 : x
  2. Step 2: Convert to fraction form
    1,065,362,157.10/1,598,043,235.65 = 874,043,397.10/x
  3. Step 3: Cross multiply
    1,065,362,157.10x = 1,598,043,235.65 × 874,043,397.10
  4. Step 4: Simplify right side
    1,065,362,157.10x = 1,396,759,138,400,201,984
  5. Step 5: Solve for x
    x = 1,396,759,138,400,201,984/1,065,362,157.10
  6. Step 6: Final answer
    x = 1,311,065,095.65

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Half scale
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Double scale
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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.