Home / 386,323,612.80-579,485,419.20-232,890,691.20

Finding the Fourth Proportional to 386,323,612.80, 579,485,419.20 and 232,890,691.20

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Solution

The fourth proportional to 386,323,612.80, 579,485,419.20 and 232,890,691.20 is: 349,336,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,323,612.80 : 579,485,419.20 = 232,890,691.20 : x
  2. Step 2: Convert to fraction form
    386,323,612.80/579,485,419.20 = 232,890,691.20/x
  3. Step 3: Cross multiply
    386,323,612.80x = 579,485,419.20 × 232,890,691.20
  4. Step 4: Simplify right side
    386,323,612.80x = 134,956,759,817,809,760
  5. Step 5: Solve for x
    x = 134,956,759,817,809,760/386,323,612.80
  6. Step 6: Final answer
    x = 349,336,036.80

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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.