Home / 921,752,447.55-1,272,116,954.13-564,757,141.34

Finding the Fourth Proportional to 921,752,447.55, 1,272,116,954.13 and 564,757,141.34

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Solution

The fourth proportional to 921,752,447.55, 1,272,116,954.13 and 564,757,141.34 is: 779,425,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,752,447.55 : 1,272,116,954.13 = 564,757,141.34 : x
  2. Step 2: Convert to fraction form
    921,752,447.55/1,272,116,954.13 = 564,757,141.34/x
  3. Step 3: Cross multiply
    921,752,447.55x = 1,272,116,954.13 × 564,757,141.34
  4. Step 4: Simplify right side
    921,752,447.55x = 718,437,134,458,246,272
  5. Step 5: Solve for x
    x = 718,437,134,458,246,272/921,752,447.55
  6. Step 6: Final answer
    x = 779,425,252.81

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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.