Home / 517,319,631.20-776,278,045.20-194,236,162.40

Finding the Fourth Proportional to 517,319,631.20, 776,278,045.20 and 194,236,162.40

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Solution

The fourth proportional to 517,319,631.20, 776,278,045.20 and 194,236,162.40 is: 291,466,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,319,631.20 : 776,278,045.20 = 194,236,162.40 : x
  2. Step 2: Convert to fraction form
    517,319,631.20/776,278,045.20 = 194,236,162.40/x
  3. Step 3: Cross multiply
    517,319,631.20x = 776,278,045.20 × 194,236,162.40
  4. Step 4: Simplify right side
    517,319,631.20x = 150,781,268,455,021,760
  5. Step 5: Solve for x
    x = 150,781,268,455,021,760/517,319,631.20
  6. Step 6: Final answer
    x = 291,466,357.28

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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.