Home / 1,123,739,969,801.80-1,550,495,367,825.40-635,998,907,339.55

Finding the Fourth Proportional to 1,123,739,969,801.80, 1,550,495,367,825.40 and 635,998,907,339.55

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Solution

The fourth proportional to 1,123,739,969,801.80, 1,550,495,367,825.40 and 635,998,907,339.55 is: 877,528,063,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,739,969,801.80 : 1,550,495,367,825.40 = 635,998,907,339.55 : x
  2. Step 2: Convert to fraction form
    1,123,739,969,801.80/1,550,495,367,825.40 = 635,998,907,339.55/x
  3. Step 3: Cross multiply
    1,123,739,969,801.80x = 1,550,495,367,825.40 × 635,998,907,339.55
  4. Step 4: Simplify right side
    1,123,739,969,801.80x = 986,113,359,771,988,129,742,848
  5. Step 5: Solve for x
    x = 986,113,359,771,988,129,742,848/1,123,739,969,801.80
  6. Step 6: Final answer
    x = 877,528,063,672.88

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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.