Home / 389,788,270.44-584,756,147.22-156,637,132.14

Finding the Fourth Proportional to 389,788,270.44, 584,756,147.22 and 156,637,132.14

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Solution

The fourth proportional to 389,788,270.44, 584,756,147.22 and 156,637,132.14 is: 234,985,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,788,270.44 : 584,756,147.22 = 156,637,132.14 : x
  2. Step 2: Convert to fraction form
    389,788,270.44/584,756,147.22 = 156,637,132.14/x
  3. Step 3: Cross multiply
    389,788,270.44x = 584,756,147.22 × 156,637,132.14
  4. Step 4: Simplify right side
    389,788,270.44x = 91,594,525,901,776,432
  5. Step 5: Solve for x
    x = 91,594,525,901,776,432/389,788,270.44
  6. Step 6: Final answer
    x = 234,985,331.39

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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.