Home / 684,206,931.20-944,342,736-405,902,931.20

Finding the Fourth Proportional to 684,206,931.20, 944,342,736 and 405,902,931.20

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Solution

The fourth proportional to 684,206,931.20, 944,342,736 and 405,902,931.20 is: 560,227,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,206,931.20 : 944,342,736 = 405,902,931.20 : x
  2. Step 2: Convert to fraction form
    684,206,931.20/944,342,736 = 405,902,931.20/x
  3. Step 3: Cross multiply
    684,206,931.20x = 944,342,736 × 405,902,931.20
  4. Step 4: Simplify right side
    684,206,931.20x = 383,311,484,599,827,776
  5. Step 5: Solve for x
    x = 383,311,484,599,827,776/684,206,931.20
  6. Step 6: Final answer
    x = 560,227,421.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.