Home / 517,950,512.80-776,925,769.20-354,691,837.60

Finding the Fourth Proportional to 517,950,512.80, 776,925,769.20 and 354,691,837.60

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Solution

The fourth proportional to 517,950,512.80, 776,925,769.20 and 354,691,837.60 is: 532,037,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,950,512.80 : 776,925,769.20 = 354,691,837.60 : x
  2. Step 2: Convert to fraction form
    517,950,512.80/776,925,769.20 = 354,691,837.60/x
  3. Step 3: Cross multiply
    517,950,512.80x = 776,925,769.20 × 354,691,837.60
  4. Step 4: Simplify right side
    517,950,512.80x = 275,569,228,756,341,504
  5. Step 5: Solve for x
    x = 275,569,228,756,341,504/517,950,512.80
  6. Step 6: Final answer
    x = 532,037,756.40

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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.