Home / 551,657,417.46-761,292,520.66-304,147,648.50

Finding the Fourth Proportional to 551,657,417.46, 761,292,520.66 and 304,147,648.50

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Solution

The fourth proportional to 551,657,417.46, 761,292,520.66 and 304,147,648.50 is: 419,726,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,657,417.46 : 761,292,520.66 = 304,147,648.50 : x
  2. Step 2: Convert to fraction form
    551,657,417.46/761,292,520.66 = 304,147,648.50/x
  3. Step 3: Cross multiply
    551,657,417.46x = 761,292,520.66 × 304,147,648.50
  4. Step 4: Simplify right side
    551,657,417.46x = 231,545,329,979,376,672
  5. Step 5: Solve for x
    x = 231,545,329,979,376,672/551,657,417.46
  6. Step 6: Final answer
    x = 419,726,668.49

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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.