Home / 814,548,200.10-1,221,822,300.15-488,030,849.70

Finding the Fourth Proportional to 814,548,200.10, 1,221,822,300.15 and 488,030,849.70

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Solution

The fourth proportional to 814,548,200.10, 1,221,822,300.15 and 488,030,849.70 is: 732,046,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,548,200.10 : 1,221,822,300.15 = 488,030,849.70 : x
  2. Step 2: Convert to fraction form
    814,548,200.10/1,221,822,300.15 = 488,030,849.70/x
  3. Step 3: Cross multiply
    814,548,200.10x = 1,221,822,300.15 × 488,030,849.70
  4. Step 4: Simplify right side
    814,548,200.10x = 596,286,975,324,612,992
  5. Step 5: Solve for x
    x = 596,286,975,324,612,992/814,548,200.10
  6. Step 6: Final answer
    x = 732,046,274.55

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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.