Home / 850,664,140.40-1,275,996,210.60-486,859,314.80

Finding the Fourth Proportional to 850,664,140.40, 1,275,996,210.60 and 486,859,314.80

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Solution

The fourth proportional to 850,664,140.40, 1,275,996,210.60 and 486,859,314.80 is: 730,288,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,664,140.40 : 1,275,996,210.60 = 486,859,314.80 : x
  2. Step 2: Convert to fraction form
    850,664,140.40/1,275,996,210.60 = 486,859,314.80/x
  3. Step 3: Cross multiply
    850,664,140.40x = 1,275,996,210.60 × 486,859,314.80
  4. Step 4: Simplify right side
    850,664,140.40x = 621,230,640,780,112,512
  5. Step 5: Solve for x
    x = 621,230,640,780,112,512/850,664,140.40
  6. Step 6: Final answer
    x = 730,288,972.20

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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.