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Finding the Fourth Proportional to 545,582,881.95, 818,891,710.02 and 337,692,442.11

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Solution

The fourth proportional to 545,582,881.95, 818,891,710.02 and 337,692,442.11 is: 506,858,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,582,881.95 : 818,891,710.02 = 337,692,442.11 : x
  2. Step 2: Convert to fraction form
    545,582,881.95/818,891,710.02 = 337,692,442.11/x
  3. Step 3: Cross multiply
    545,582,881.95x = 818,891,710.02 × 337,692,442.11
  4. Step 4: Simplify right side
    545,582,881.95x = 276,533,541,380,287,776
  5. Step 5: Solve for x
    x = 276,533,541,380,287,776/545,582,881.95
  6. Step 6: Final answer
    x = 506,858,903.62

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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.