Home / 517,666,787.11-714,397,793.21-306,154,929.87

Finding the Fourth Proportional to 517,666,787.11, 714,397,793.21 and 306,154,929.87

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Solution

The fourth proportional to 517,666,787.11, 714,397,793.21 and 306,154,929.87 is: 422,504,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,666,787.11 : 714,397,793.21 = 306,154,929.87 : x
  2. Step 2: Convert to fraction form
    517,666,787.11/714,397,793.21 = 306,154,929.87/x
  3. Step 3: Cross multiply
    517,666,787.11x = 714,397,793.21 × 306,154,929.87
  4. Step 4: Simplify right side
    517,666,787.11x = 218,716,406,279,490,336
  5. Step 5: Solve for x
    x = 218,716,406,279,490,336/517,666,787.11
  6. Step 6: Final answer
    x = 422,504,228.06

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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.