Home / 661,463,862.77-992,885,294.27-293,257,395.54

Finding the Fourth Proportional to 661,463,862.77, 992,885,294.27 and 293,257,395.54

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Solution

The fourth proportional to 661,463,862.77, 992,885,294.27 and 293,257,395.54 is: 440,191,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,463,862.77 : 992,885,294.27 = 293,257,395.54 : x
  2. Step 2: Convert to fraction form
    661,463,862.77/992,885,294.27 = 293,257,395.54/x
  3. Step 3: Cross multiply
    661,463,862.77x = 992,885,294.27 × 293,257,395.54
  4. Step 4: Simplify right side
    661,463,862.77x = 291,170,955,468,319,872
  5. Step 5: Solve for x
    x = 291,170,955,468,319,872/661,463,862.77
  6. Step 6: Final answer
    x = 440,191,780.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.