Home / 446,178,446.80-669,267,670.20-429,172,334.80

Finding the Fourth Proportional to 446,178,446.80, 669,267,670.20 and 429,172,334.80

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Solution

The fourth proportional to 446,178,446.80, 669,267,670.20 and 429,172,334.80 is: 643,758,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,178,446.80 : 669,267,670.20 = 429,172,334.80 : x
  2. Step 2: Convert to fraction form
    446,178,446.80/669,267,670.20 = 429,172,334.80/x
  3. Step 3: Cross multiply
    446,178,446.80x = 669,267,670.20 × 429,172,334.80
  4. Step 4: Simplify right side
    446,178,446.80x = 287,231,168,625,890,400
  5. Step 5: Solve for x
    x = 287,231,168,625,890,400/446,178,446.80
  6. Step 6: Final answer
    x = 643,758,502.20

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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.