Home / 287,472,001.60-431,208,002.40-239,004,582.40

Finding the Fourth Proportional to 287,472,001.60, 431,208,002.40 and 239,004,582.40

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Solution

The fourth proportional to 287,472,001.60, 431,208,002.40 and 239,004,582.40 is: 358,506,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,472,001.60 : 431,208,002.40 = 239,004,582.40 : x
  2. Step 2: Convert to fraction form
    287,472,001.60/431,208,002.40 = 239,004,582.40/x
  3. Step 3: Cross multiply
    287,472,001.60x = 431,208,002.40 × 239,004,582.40
  4. Step 4: Simplify right side
    287,472,001.60x = 103,060,688,541,150,192
  5. Step 5: Solve for x
    x = 103,060,688,541,150,192/287,472,001.60
  6. Step 6: Final answer
    x = 358,506,873.60

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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.