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Finding the Fourth Proportional to 502,811,295.76, 693,486,496.38 and 326,656,048.02

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Solution

The fourth proportional to 502,811,295.76, 693,486,496.38 and 326,656,048.02 is: 450,529,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,811,295.76 : 693,486,496.38 = 326,656,048.02 : x
  2. Step 2: Convert to fraction form
    502,811,295.76/693,486,496.38 = 326,656,048.02/x
  3. Step 3: Cross multiply
    502,811,295.76x = 693,486,496.38 × 326,656,048.02
  4. Step 4: Simplify right side
    502,811,295.76x = 226,531,558,262,726,816
  5. Step 5: Solve for x
    x = 226,531,558,262,726,816/502,811,295.76
  6. Step 6: Final answer
    x = 450,529,970.53

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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.