Home / 485,671,517.49-728,344,141.08-158,069,984.39

Finding the Fourth Proportional to 485,671,517.49, 728,344,141.08 and 158,069,984.39

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Solution

The fourth proportional to 485,671,517.49, 728,344,141.08 and 158,069,984.39 is: 237,051,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,671,517.49 : 728,344,141.08 = 158,069,984.39 : x
  2. Step 2: Convert to fraction form
    485,671,517.49/728,344,141.08 = 158,069,984.39/x
  3. Step 3: Cross multiply
    485,671,517.49x = 728,344,141.08 × 158,069,984.39
  4. Step 4: Simplify right side
    485,671,517.49x = 115,129,347,009,560,352
  5. Step 5: Solve for x
    x = 115,129,347,009,560,352/485,671,517.49
  6. Step 6: Final answer
    x = 237,051,881.49

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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.