Home / 389,788,265.95-584,756,140.46-156,637,127.63

Finding the Fourth Proportional to 389,788,265.95, 584,756,140.46 and 156,637,127.63

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Solution

The fourth proportional to 389,788,265.95, 584,756,140.46 and 156,637,127.63 is: 234,985,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,788,265.95 : 584,756,140.46 = 156,637,127.63 : x
  2. Step 2: Convert to fraction form
    389,788,265.95/584,756,140.46 = 156,637,127.63/x
  3. Step 3: Cross multiply
    389,788,265.95x = 584,756,140.46 × 156,637,127.63
  4. Step 4: Simplify right side
    389,788,265.95x = 91,594,522,207,215,104
  5. Step 5: Solve for x
    x = 91,594,522,207,215,104/389,788,265.95
  6. Step 6: Final answer
    x = 234,985,324.62

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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.