Home / 908,335,644-1,253,503,692.53-490,647,931.57

Finding the Fourth Proportional to 908,335,644, 1,253,503,692.53 and 490,647,931.57

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Solution

The fourth proportional to 908,335,644, 1,253,503,692.53 and 490,647,931.57 is: 677,094,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,335,644 : 1,253,503,692.53 = 490,647,931.57 : x
  2. Step 2: Convert to fraction form
    908,335,644/1,253,503,692.53 = 490,647,931.57/x
  3. Step 3: Cross multiply
    908,335,644x = 1,253,503,692.53 × 490,647,931.57
  4. Step 4: Simplify right side
    908,335,644x = 615,028,993,955,201,792
  5. Step 5: Solve for x
    x = 615,028,993,955,201,792/908,335,644
  6. Step 6: Final answer
    x = 677,094,417.71

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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.