Home / 575,209,512.80-862,814,269.20-479,550,132.80

Finding the Fourth Proportional to 575,209,512.80, 862,814,269.20 and 479,550,132.80

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Solution

The fourth proportional to 575,209,512.80, 862,814,269.20 and 479,550,132.80 is: 719,325,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,209,512.80 : 862,814,269.20 = 479,550,132.80 : x
  2. Step 2: Convert to fraction form
    575,209,512.80/862,814,269.20 = 479,550,132.80/x
  3. Step 3: Cross multiply
    575,209,512.80x = 862,814,269.20 × 479,550,132.80
  4. Step 4: Simplify right side
    575,209,512.80x = 413,762,697,376,595,008
  5. Step 5: Solve for x
    x = 413,762,697,376,595,008/575,209,512.80
  6. Step 6: Final answer
    x = 719,325,199.20

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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.