Home / 713,025,442.64-984,150,147.72-434,720,419.76

Finding the Fourth Proportional to 713,025,442.64, 984,150,147.72 and 434,720,419.76

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Solution

The fourth proportional to 713,025,442.64, 984,150,147.72 and 434,720,419.76 is: 600,020,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,025,442.64 : 984,150,147.72 = 434,720,419.76 : x
  2. Step 2: Convert to fraction form
    713,025,442.64/984,150,147.72 = 434,720,419.76/x
  3. Step 3: Cross multiply
    713,025,442.64x = 984,150,147.72 × 434,720,419.76
  4. Step 4: Simplify right side
    713,025,442.64x = 427,830,165,323,704,384
  5. Step 5: Solve for x
    x = 427,830,165,323,704,384/713,025,442.64
  6. Step 6: Final answer
    x = 600,020,896.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.