Home / 801,200,209.40-1,201,800,314.10-745,080,039.80

Finding the Fourth Proportional to 801,200,209.40, 1,201,800,314.10 and 745,080,039.80

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Solution

The fourth proportional to 801,200,209.40, 1,201,800,314.10 and 745,080,039.80 is: 1,117,620,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,200,209.40 : 1,201,800,314.10 = 745,080,039.80 : x
  2. Step 2: Convert to fraction form
    801,200,209.40/1,201,800,314.10 = 745,080,039.80/x
  3. Step 3: Cross multiply
    801,200,209.40x = 1,201,800,314.10 × 745,080,039.80
  4. Step 4: Simplify right side
    801,200,209.40x = 895,437,425,861,280,384
  5. Step 5: Solve for x
    x = 895,437,425,861,280,384/801,200,209.40
  6. Step 6: Final answer
    x = 1,117,620,059.70

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1.5x scale

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.