Home / 908,725,926.72-1,254,041,725.60-491,038,200

Finding the Fourth Proportional to 908,725,926.72, 1,254,041,725.60 and 491,038,200

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Solution

The fourth proportional to 908,725,926.72, 1,254,041,725.60 and 491,038,200 is: 677,632,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,725,926.72 : 1,254,041,725.60 = 491,038,200 : x
  2. Step 2: Convert to fraction form
    908,725,926.72/1,254,041,725.60 = 491,038,200/x
  3. Step 3: Cross multiply
    908,725,926.72x = 1,254,041,725.60 × 491,038,200
  4. Step 4: Simplify right side
    908,725,926.72x = 615,782,391,663,517,824
  5. Step 5: Solve for x
    x = 615,782,391,663,517,824/908,725,926.72
  6. Step 6: Final answer
    x = 677,632,687.21

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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.