Home / 917,732,125-1,266,470,514.74-500,044,410.28

Finding the Fourth Proportional to 917,732,125, 1,266,470,514.74 and 500,044,410.28

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Solution

The fourth proportional to 917,732,125, 1,266,470,514.74 and 500,044,410.28 is: 690,061,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,732,125 : 1,266,470,514.74 = 500,044,410.28 : x
  2. Step 2: Convert to fraction form
    917,732,125/1,266,470,514.74 = 500,044,410.28/x
  3. Step 3: Cross multiply
    917,732,125x = 1,266,470,514.74 × 500,044,410.28
  4. Step 4: Simplify right side
    917,732,125x = 633,291,501,680,171,264
  5. Step 5: Solve for x
    x = 633,291,501,680,171,264/917,732,125
  6. Step 6: Final answer
    x = 690,061,385.48

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1.5x scale

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.