Home / 304,700,641.20-420,615,549.84-205,715,417.04

Finding the Fourth Proportional to 304,700,641.20, 420,615,549.84 and 205,715,417.04

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Solution

The fourth proportional to 304,700,641.20, 420,615,549.84 and 205,715,417.04 is: 283,974,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,700,641.20 : 420,615,549.84 = 205,715,417.04 : x
  2. Step 2: Convert to fraction form
    304,700,641.20/420,615,549.84 = 205,715,417.04/x
  3. Step 3: Cross multiply
    304,700,641.20x = 420,615,549.84 × 205,715,417.04
  4. Step 4: Simplify right side
    304,700,641.20x = 86,527,103,248,844,496
  5. Step 5: Solve for x
    x = 86,527,103,248,844,496/304,700,641.20
  6. Step 6: Final answer
    x = 283,974,142.32

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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.