Home / 517,949,226.80-776,923,840.20-354,690,551.60

Finding the Fourth Proportional to 517,949,226.80, 776,923,840.20 and 354,690,551.60

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Solution

The fourth proportional to 517,949,226.80, 776,923,840.20 and 354,690,551.60 is: 532,035,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,949,226.80 : 776,923,840.20 = 354,690,551.60 : x
  2. Step 2: Convert to fraction form
    517,949,226.80/776,923,840.20 = 354,690,551.60/x
  3. Step 3: Cross multiply
    517,949,226.80x = 776,923,840.20 × 354,690,551.60
  4. Step 4: Simplify right side
    517,949,226.80x = 275,567,545,431,728,288
  5. Step 5: Solve for x
    x = 275,567,545,431,728,288/517,949,226.80
  6. Step 6: Final answer
    x = 532,035,827.40

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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.