Home / 517,950,528.80-776,925,793.20-354,691,853.60

Finding the Fourth Proportional to 517,950,528.80, 776,925,793.20 and 354,691,853.60

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Solution

The fourth proportional to 517,950,528.80, 776,925,793.20 and 354,691,853.60 is: 532,037,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,950,528.80 : 776,925,793.20 = 354,691,853.60 : x
  2. Step 2: Convert to fraction form
    517,950,528.80/776,925,793.20 = 354,691,853.60/x
  3. Step 3: Cross multiply
    517,950,528.80x = 776,925,793.20 × 354,691,853.60
  4. Step 4: Simplify right side
    517,950,528.80x = 275,569,249,699,758,304
  5. Step 5: Solve for x
    x = 275,569,249,699,758,304/517,950,528.80
  6. Step 6: Final answer
    x = 532,037,780.40

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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.