Home / 837,691,251.39-1,155,999,823.38-461,382,882.05

Finding the Fourth Proportional to 837,691,251.39, 1,155,999,823.38 and 461,382,882.05

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Solution

The fourth proportional to 837,691,251.39, 1,155,999,823.38 and 461,382,882.05 is: 636,700,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,691,251.39 : 1,155,999,823.38 = 461,382,882.05 : x
  2. Step 2: Convert to fraction form
    837,691,251.39/1,155,999,823.38 = 461,382,882.05/x
  3. Step 3: Cross multiply
    837,691,251.39x = 1,155,999,823.38 × 461,382,882.05
  4. Step 4: Simplify right side
    837,691,251.39x = 533,358,530,163,245,440
  5. Step 5: Solve for x
    x = 533,358,530,163,245,440/837,691,251.39
  6. Step 6: Final answer
    x = 636,700,609.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.