Home / 917,732,117.24-1,266,470,504.03-500,044,402.52

Finding the Fourth Proportional to 917,732,117.24, 1,266,470,504.03 and 500,044,402.52

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Solution

The fourth proportional to 917,732,117.24, 1,266,470,504.03 and 500,044,402.52 is: 690,061,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,732,117.24 : 1,266,470,504.03 = 500,044,402.52 : x
  2. Step 2: Convert to fraction form
    917,732,117.24/1,266,470,504.03 = 500,044,402.52/x
  3. Step 3: Cross multiply
    917,732,117.24x = 1,266,470,504.03 × 500,044,402.52
  4. Step 4: Simplify right side
    917,732,117.24x = 633,291,486,501,300,864
  5. Step 5: Solve for x
    x = 633,291,486,501,300,864/917,732,117.24
  6. Step 6: Final answer
    x = 690,061,374.78

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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.