Home / 641,348,841.60-962,023,262.40-549,515,836.80

Finding the Fourth Proportional to 641,348,841.60, 962,023,262.40 and 549,515,836.80

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Solution

The fourth proportional to 641,348,841.60, 962,023,262.40 and 549,515,836.80 is: 824,273,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,348,841.60 : 962,023,262.40 = 549,515,836.80 : x
  2. Step 2: Convert to fraction form
    641,348,841.60/962,023,262.40 = 549,515,836.80/x
  3. Step 3: Cross multiply
    641,348,841.60x = 962,023,262.40 × 549,515,836.80
  4. Step 4: Simplify right side
    641,348,841.60x = 528,647,018,058,801,920
  5. Step 5: Solve for x
    x = 528,647,018,058,801,920/641,348,841.60
  6. Step 6: Final answer
    x = 824,273,755.20

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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.