Home / 448,497,002.40-672,745,503.60-408,320,062.80

Finding the Fourth Proportional to 448,497,002.40, 672,745,503.60 and 408,320,062.80

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Solution

The fourth proportional to 448,497,002.40, 672,745,503.60 and 408,320,062.80 is: 612,480,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,497,002.40 : 672,745,503.60 = 408,320,062.80 : x
  2. Step 2: Convert to fraction form
    448,497,002.40/672,745,503.60 = 408,320,062.80/x
  3. Step 3: Cross multiply
    448,497,002.40x = 672,745,503.60 × 408,320,062.80
  4. Step 4: Simplify right side
    448,497,002.40x = 274,695,486,278,369,632
  5. Step 5: Solve for x
    x = 274,695,486,278,369,632/448,497,002.40
  6. Step 6: Final answer
    x = 612,480,094.20

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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.