Home / 517,950,529.80-776,925,794.70-354,691,854.60

Finding the Fourth Proportional to 517,950,529.80, 776,925,794.70 and 354,691,854.60

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Solution

The fourth proportional to 517,950,529.80, 776,925,794.70 and 354,691,854.60 is: 532,037,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,950,529.80 : 776,925,794.70 = 354,691,854.60 : x
  2. Step 2: Convert to fraction form
    517,950,529.80/776,925,794.70 = 354,691,854.60/x
  3. Step 3: Cross multiply
    517,950,529.80x = 776,925,794.70 × 354,691,854.60
  4. Step 4: Simplify right side
    517,950,529.80x = 275,569,251,008,721,888
  5. Step 5: Solve for x
    x = 275,569,251,008,721,888/517,950,529.80
  6. Step 6: Final answer
    x = 532,037,781.90

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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.