Home / 841,540,841.60-1,262,311,262.40-809,292,214.40

Finding the Fourth Proportional to 841,540,841.60, 1,262,311,262.40 and 809,292,214.40

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Solution

The fourth proportional to 841,540,841.60, 1,262,311,262.40 and 809,292,214.40 is: 1,213,938,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,540,841.60 : 1,262,311,262.40 = 809,292,214.40 : x
  2. Step 2: Convert to fraction form
    841,540,841.60/1,262,311,262.40 = 809,292,214.40/x
  3. Step 3: Cross multiply
    841,540,841.60x = 1,262,311,262.40 × 809,292,214.40
  4. Step 4: Simplify right side
    841,540,841.60x = 1,021,578,676,809,755,520
  5. Step 5: Solve for x
    x = 1,021,578,676,809,755,520/841,540,841.60
  6. Step 6: Final answer
    x = 1,213,938,321.60

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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.