Home / 469,952,838.47-648,552,419.49-281,811,763.49

Finding the Fourth Proportional to 469,952,838.47, 648,552,419.49 and 281,811,763.49

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Solution

The fourth proportional to 469,952,838.47, 648,552,419.49 and 281,811,763.49 is: 388,910,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,952,838.47 : 648,552,419.49 = 281,811,763.49 : x
  2. Step 2: Convert to fraction form
    469,952,838.47/648,552,419.49 = 281,811,763.49/x
  3. Step 3: Cross multiply
    469,952,838.47x = 648,552,419.49 × 281,811,763.49
  4. Step 4: Simplify right side
    469,952,838.47x = 182,769,701,048,940,384
  5. Step 5: Solve for x
    x = 182,769,701,048,940,384/469,952,838.47
  6. Step 6: Final answer
    x = 388,910,729.10

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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.