Home / 908,344,274.11-1,253,515,647.44-490,656,743.94

Finding the Fourth Proportional to 908,344,274.11, 1,253,515,647.44 and 490,656,743.94

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Solution

The fourth proportional to 908,344,274.11, 1,253,515,647.44 and 490,656,743.94 is: 677,106,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,344,274.11 : 1,253,515,647.44 = 490,656,743.94 : x
  2. Step 2: Convert to fraction form
    908,344,274.11/1,253,515,647.44 = 490,656,743.94/x
  3. Step 3: Cross multiply
    908,344,274.11x = 1,253,515,647.44 × 490,656,743.94
  4. Step 4: Simplify right side
    908,344,274.11x = 615,045,906,050,751,360
  5. Step 5: Solve for x
    x = 615,045,906,050,751,360/908,344,274.11
  6. Step 6: Final answer
    x = 677,106,603.28

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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.