Home / 484,328,048.30-726,492,072.45-338,925,790.70

Finding the Fourth Proportional to 484,328,048.30, 726,492,072.45 and 338,925,790.70

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Solution

The fourth proportional to 484,328,048.30, 726,492,072.45 and 338,925,790.70 is: 508,388,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,328,048.30 : 726,492,072.45 = 338,925,790.70 : x
  2. Step 2: Convert to fraction form
    484,328,048.30/726,492,072.45 = 338,925,790.70/x
  3. Step 3: Cross multiply
    484,328,048.30x = 726,492,072.45 × 338,925,790.70
  4. Step 4: Simplify right side
    484,328,048.30x = 246,226,900,092,397,952
  5. Step 5: Solve for x
    x = 246,226,900,092,397,952/484,328,048.30
  6. Step 6: Final answer
    x = 508,388,686.05

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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.