Home / 1,123,739,969,806.80-1,550,495,367,832.20-635,998,907,344.55

Finding the Fourth Proportional to 1,123,739,969,806.80, 1,550,495,367,832.20 and 635,998,907,344.55

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Solution

The fourth proportional to 1,123,739,969,806.80, 1,550,495,367,832.20 and 635,998,907,344.55 is: 877,528,063,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,739,969,806.80 : 1,550,495,367,832.20 = 635,998,907,344.55 : x
  2. Step 2: Convert to fraction form
    1,123,739,969,806.80/1,550,495,367,832.20 = 635,998,907,344.55/x
  3. Step 3: Cross multiply
    1,123,739,969,806.80x = 1,550,495,367,832.20 × 635,998,907,344.55
  4. Step 4: Simplify right side
    1,123,739,969,806.80x = 986,113,359,784,065,443,561,472
  5. Step 5: Solve for x
    x = 986,113,359,784,065,443,561,472/1,123,739,969,806.80
  6. Step 6: Final answer
    x = 877,528,063,679.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.