Home / 442,887,375.40-664,331,063.10-410,638,748.20

Finding the Fourth Proportional to 442,887,375.40, 664,331,063.10 and 410,638,748.20

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Solution

The fourth proportional to 442,887,375.40, 664,331,063.10 and 410,638,748.20 is: 615,958,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,887,375.40 : 664,331,063.10 = 410,638,748.20 : x
  2. Step 2: Convert to fraction form
    442,887,375.40/664,331,063.10 = 410,638,748.20/x
  3. Step 3: Cross multiply
    442,887,375.40x = 664,331,063.10 × 410,638,748.20
  4. Step 4: Simplify right side
    442,887,375.40x = 272,800,076,141,759,200
  5. Step 5: Solve for x
    x = 272,800,076,141,759,200/442,887,375.40
  6. Step 6: Final answer
    x = 615,958,122.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.