Home / 470,071,510.88-648,015,001.68-328,503,206.48

Finding the Fourth Proportional to 470,071,510.88, 648,015,001.68 and 328,503,206.48

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Solution

The fourth proportional to 470,071,510.88, 648,015,001.68 and 328,503,206.48 is: 452,856,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,071,510.88 : 648,015,001.68 = 328,503,206.48 : x
  2. Step 2: Convert to fraction form
    470,071,510.88/648,015,001.68 = 328,503,206.48/x
  3. Step 3: Cross multiply
    470,071,510.88x = 648,015,001.68 × 328,503,206.48
  4. Step 4: Simplify right side
    470,071,510.88x = 212,875,005,899,022,592
  5. Step 5: Solve for x
    x = 212,875,005,899,022,592/470,071,510.88
  6. Step 6: Final answer
    x = 452,856,641.96

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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.