Home / 876,636,209.70-1,314,954,314.55-543,741,567.30

Finding the Fourth Proportional to 876,636,209.70, 1,314,954,314.55 and 543,741,567.30

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Solution

The fourth proportional to 876,636,209.70, 1,314,954,314.55 and 543,741,567.30 is: 815,612,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,636,209.70 : 1,314,954,314.55 = 543,741,567.30 : x
  2. Step 2: Convert to fraction form
    876,636,209.70/1,314,954,314.55 = 543,741,567.30/x
  3. Step 3: Cross multiply
    876,636,209.70x = 1,314,954,314.55 × 543,741,567.30
  4. Step 4: Simplify right side
    876,636,209.70x = 714,995,319,921,314,048
  5. Step 5: Solve for x
    x = 714,995,319,921,314,048/876,636,209.70
  6. Step 6: Final answer
    x = 815,612,350.95

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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.