Home / 815,497,967.44-1,125,350,892.12-476,437,870

Finding the Fourth Proportional to 815,497,967.44, 1,125,350,892.12 and 476,437,870

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Solution

The fourth proportional to 815,497,967.44, 1,125,350,892.12 and 476,437,870 is: 657,463,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,497,967.44 : 1,125,350,892.12 = 476,437,870 : x
  2. Step 2: Convert to fraction form
    815,497,967.44/1,125,350,892.12 = 476,437,870/x
  3. Step 3: Cross multiply
    815,497,967.44x = 1,125,350,892.12 × 476,437,870
  4. Step 4: Simplify right side
    815,497,967.44x = 536,159,782,044,252,544
  5. Step 5: Solve for x
    x = 536,159,782,044,252,544/815,497,967.44
  6. Step 6: Final answer
    x = 657,463,051.35

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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.