Home / 517,947,449.05-776,921,173.58-354,688,773.85

Finding the Fourth Proportional to 517,947,449.05, 776,921,173.58 and 354,688,773.85

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Solution

The fourth proportional to 517,947,449.05, 776,921,173.58 and 354,688,773.85 is: 532,033,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,947,449.05 : 776,921,173.58 = 354,688,773.85 : x
  2. Step 2: Convert to fraction form
    517,947,449.05/776,921,173.58 = 354,688,773.85/x
  3. Step 3: Cross multiply
    517,947,449.05x = 776,921,173.58 × 354,688,773.85
  4. Step 4: Simplify right side
    517,947,449.05x = 275,565,218,433,419,808
  5. Step 5: Solve for x
    x = 275,565,218,433,419,808/517,947,449.05
  6. Step 6: Final answer
    x = 532,033,160.78

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Double scale
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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.