Home / 386,323,350.30-579,485,025.45-232,890,428.70

Finding the Fourth Proportional to 386,323,350.30, 579,485,025.45 and 232,890,428.70

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Solution

The fourth proportional to 386,323,350.30, 579,485,025.45 and 232,890,428.70 is: 349,335,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,323,350.30 : 579,485,025.45 = 232,890,428.70 : x
  2. Step 2: Convert to fraction form
    386,323,350.30/579,485,025.45 = 232,890,428.70/x
  3. Step 3: Cross multiply
    386,323,350.30x = 579,485,025.45 × 232,890,428.70
  4. Step 4: Simplify right side
    386,323,350.30x = 134,956,516,002,280,912
  5. Step 5: Solve for x
    x = 134,956,516,002,280,912/386,323,350.30
  6. Step 6: Final answer
    x = 349,335,643.05

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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.