Home / 834,625,404.80-1,251,938,107.20-528,263,446.40

Finding the Fourth Proportional to 834,625,404.80, 1,251,938,107.20 and 528,263,446.40

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Solution

The fourth proportional to 834,625,404.80, 1,251,938,107.20 and 528,263,446.40 is: 792,395,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,625,404.80 : 1,251,938,107.20 = 528,263,446.40 : x
  2. Step 2: Convert to fraction form
    834,625,404.80/1,251,938,107.20 = 528,263,446.40/x
  3. Step 3: Cross multiply
    834,625,404.80x = 1,251,938,107.20 × 528,263,446.40
  4. Step 4: Simplify right side
    834,625,404.80x = 661,353,139,188,964,608
  5. Step 5: Solve for x
    x = 661,353,139,188,964,608/834,625,404.80
  6. Step 6: Final answer
    x = 792,395,169.60

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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.