Home / 1,231,468,127.04-1,699,425,478.56-666,953,034.92

Finding the Fourth Proportional to 1,231,468,127.04, 1,699,425,478.56 and 666,953,034.92

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Solution

The fourth proportional to 1,231,468,127.04, 1,699,425,478.56 and 666,953,034.92 is: 920,394,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,468,127.04 : 1,699,425,478.56 = 666,953,034.92 : x
  2. Step 2: Convert to fraction form
    1,231,468,127.04/1,699,425,478.56 = 666,953,034.92/x
  3. Step 3: Cross multiply
    1,231,468,127.04x = 1,699,425,478.56 × 666,953,034.92
  4. Step 4: Simplify right side
    1,231,468,127.04x = 1,133,436,980,546,375,680
  5. Step 5: Solve for x
    x = 1,133,436,980,546,375,680/1,231,468,127.04
  6. Step 6: Final answer
    x = 920,394,897.48

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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.