Home / 611,998,996.73-917,908,814.42-301,023,140.15

Finding the Fourth Proportional to 611,998,996.73, 917,908,814.42 and 301,023,140.15

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Solution

The fourth proportional to 611,998,996.73, 917,908,814.42 and 301,023,140.15 is: 451,490,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,998,996.73 : 917,908,814.42 = 301,023,140.15 : x
  2. Step 2: Convert to fraction form
    611,998,996.73/917,908,814.42 = 301,023,140.15/x
  3. Step 3: Cross multiply
    611,998,996.73x = 917,908,814.42 × 301,023,140.15
  4. Step 4: Simplify right side
    611,998,996.73x = 276,311,793,688,861,632
  5. Step 5: Solve for x
    x = 276,311,793,688,861,632/611,998,996.73
  6. Step 6: Final answer
    x = 451,490,599.11

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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.