Home / 442,870,875.10-664,306,312.65-236,246,614.30

Finding the Fourth Proportional to 442,870,875.10, 664,306,312.65 and 236,246,614.30

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Solution

The fourth proportional to 442,870,875.10, 664,306,312.65 and 236,246,614.30 is: 354,369,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,870,875.10 : 664,306,312.65 = 236,246,614.30 : x
  2. Step 2: Convert to fraction form
    442,870,875.10/664,306,312.65 = 236,246,614.30/x
  3. Step 3: Cross multiply
    442,870,875.10x = 664,306,312.65 × 236,246,614.30
  4. Step 4: Simplify right side
    442,870,875.10x = 156,940,117,221,679,776
  5. Step 5: Solve for x
    x = 156,940,117,221,679,776/442,870,875.10
  6. Step 6: Final answer
    x = 354,369,921.45

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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.