Home / 386,604,724.57-533,626,943.35-252,662,789.95

Finding the Fourth Proportional to 386,604,724.57, 533,626,943.35 and 252,662,789.95

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Solution

The fourth proportional to 386,604,724.57, 533,626,943.35 and 252,662,789.95 is: 348,748,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,604,724.57 : 533,626,943.35 = 252,662,789.95 : x
  2. Step 2: Convert to fraction form
    386,604,724.57/533,626,943.35 = 252,662,789.95/x
  3. Step 3: Cross multiply
    386,604,724.57x = 533,626,943.35 × 252,662,789.95
  4. Step 4: Simplify right side
    386,604,724.57x = 134,827,672,298,038,288
  5. Step 5: Solve for x
    x = 134,827,672,298,038,288/386,604,724.57
  6. Step 6: Final answer
    x = 348,748,123.68

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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.