Home / 921,753,694.03-1,272,118,675.19-564,758,389.56

Finding the Fourth Proportional to 921,753,694.03, 1,272,118,675.19 and 564,758,389.56

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Solution

The fourth proportional to 921,753,694.03, 1,272,118,675.19 and 564,758,389.56 is: 779,426,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,753,694.03 : 1,272,118,675.19 = 564,758,389.56 : x
  2. Step 2: Convert to fraction form
    921,753,694.03/1,272,118,675.19 = 564,758,389.56/x
  3. Step 3: Cross multiply
    921,753,694.03x = 1,272,118,675.19 × 564,758,389.56
  4. Step 4: Simplify right side
    921,753,694.03x = 718,439,694,329,505,024
  5. Step 5: Solve for x
    x = 718,439,694,329,505,024/921,753,694.03
  6. Step 6: Final answer
    x = 779,426,975.97

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Double scale
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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.