Home / 407,781,253.17-611,976,503.42-276,311,800.89

Finding the Fourth Proportional to 407,781,253.17, 611,976,503.42 and 276,311,800.89

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Solution

The fourth proportional to 407,781,253.17, 611,976,503.42 and 276,311,800.89 is: 414,674,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,781,253.17 : 611,976,503.42 = 276,311,800.89 : x
  2. Step 2: Convert to fraction form
    407,781,253.17/611,976,503.42 = 276,311,800.89/x
  3. Step 3: Cross multiply
    407,781,253.17x = 611,976,503.42 × 276,311,800.89
  4. Step 4: Simplify right side
    407,781,253.17x = 169,096,329,762,345,408
  5. Step 5: Solve for x
    x = 169,096,329,762,345,408/407,781,253.17
  6. Step 6: Final answer
    x = 414,674,113.75

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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.