Home / 477,128,983.70-715,693,475.55-354,684,977.30

Finding the Fourth Proportional to 477,128,983.70, 715,693,475.55 and 354,684,977.30

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Solution

The fourth proportional to 477,128,983.70, 715,693,475.55 and 354,684,977.30 is: 532,027,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,128,983.70 : 715,693,475.55 = 354,684,977.30 : x
  2. Step 2: Convert to fraction form
    477,128,983.70/715,693,475.55 = 354,684,977.30/x
  3. Step 3: Cross multiply
    477,128,983.70x = 715,693,475.55 × 354,684,977.30
  4. Step 4: Simplify right side
    477,128,983.70x = 253,845,724,129,209,856
  5. Step 5: Solve for x
    x = 253,845,724,129,209,856/477,128,983.70
  6. Step 6: Final answer
    x = 532,027,465.95

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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.