Home / 723,466,848.78-998,016,143.15-472,717,829.07

Finding the Fourth Proportional to 723,466,848.78, 998,016,143.15 and 472,717,829.07

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Solution

The fourth proportional to 723,466,848.78, 998,016,143.15 and 472,717,829.07 is: 652,110,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,466,848.78 : 998,016,143.15 = 472,717,829.07 : x
  2. Step 2: Convert to fraction form
    723,466,848.78/998,016,143.15 = 472,717,829.07/x
  3. Step 3: Cross multiply
    723,466,848.78x = 998,016,143.15 × 472,717,829.07
  4. Step 4: Simplify right side
    723,466,848.78x = 471,780,024,567,864,128
  5. Step 5: Solve for x
    x = 471,780,024,567,864,128/723,466,848.78
  6. Step 6: Final answer
    x = 652,110,079.91

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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.