Home / 917,732,116.49-1,266,470,503.00-500,044,401.77

Finding the Fourth Proportional to 917,732,116.49, 1,266,470,503.00 and 500,044,401.77

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Solution

The fourth proportional to 917,732,116.49, 1,266,470,503.00 and 500,044,401.77 is: 690,061,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,732,116.49 : 1,266,470,503.00 = 500,044,401.77 : x
  2. Step 2: Convert to fraction form
    917,732,116.49/1,266,470,503.00 = 500,044,401.77/x
  3. Step 3: Cross multiply
    917,732,116.49x = 1,266,470,503.00 × 500,044,401.77
  4. Step 4: Simplify right side
    917,732,116.49x = 633,291,485,033,901,952
  5. Step 5: Solve for x
    x = 633,291,485,033,901,952/917,732,116.49
  6. Step 6: Final answer
    x = 690,061,373.74

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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.