Home / 517,959,793.60-776,815,274.40-299,136,932.80

Finding the Fourth Proportional to 517,959,793.60, 776,815,274.40 and 299,136,932.80

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Solution

The fourth proportional to 517,959,793.60, 776,815,274.40 and 299,136,932.80 is: 448,633,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,959,793.60 : 776,815,274.40 = 299,136,932.80 : x
  2. Step 2: Convert to fraction form
    517,959,793.60/776,815,274.40 = 299,136,932.80/x
  3. Step 3: Cross multiply
    517,959,793.60x = 776,815,274.40 × 299,136,932.80
  4. Step 4: Simplify right side
    517,959,793.60x = 232,374,138,536,206,368
  5. Step 5: Solve for x
    x = 232,374,138,536,206,368/517,959,793.60
  6. Step 6: Final answer
    x = 448,633,545.32

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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.