Home / 592,341,958.80-888,512,938.20-420,155,074.80

Finding the Fourth Proportional to 592,341,958.80, 888,512,938.20 and 420,155,074.80

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Solution

The fourth proportional to 592,341,958.80, 888,512,938.20 and 420,155,074.80 is: 630,232,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,341,958.80 : 888,512,938.20 = 420,155,074.80 : x
  2. Step 2: Convert to fraction form
    592,341,958.80/888,512,938.20 = 420,155,074.80/x
  3. Step 3: Cross multiply
    592,341,958.80x = 888,512,938.20 × 420,155,074.80
  4. Step 4: Simplify right side
    592,341,958.80x = 373,313,220,010,188,800
  5. Step 5: Solve for x
    x = 373,313,220,010,188,800/592,341,958.80
  6. Step 6: Final answer
    x = 630,232,612.20

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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.