Home / 484,308,389.76-726,717,676.48-279,979,967.04

Finding the Fourth Proportional to 484,308,389.76, 726,717,676.48 and 279,979,967.04

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Solution

The fourth proportional to 484,308,389.76, 726,717,676.48 and 279,979,967.04 is: 420,117,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,308,389.76 : 726,717,676.48 = 279,979,967.04 : x
  2. Step 2: Convert to fraction form
    484,308,389.76/726,717,676.48 = 279,979,967.04/x
  3. Step 3: Cross multiply
    484,308,389.76x = 726,717,676.48 × 279,979,967.04
  4. Step 4: Simplify right side
    484,308,389.76x = 203,466,391,108,255,808
  5. Step 5: Solve for x
    x = 203,466,391,108,255,808/484,308,389.76
  6. Step 6: Final answer
    x = 420,117,419.83

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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.