Home / 472,416,213.20-708,624,319.80-429,334,062.80

Finding the Fourth Proportional to 472,416,213.20, 708,624,319.80 and 429,334,062.80

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Solution

The fourth proportional to 472,416,213.20, 708,624,319.80 and 429,334,062.80 is: 644,001,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,416,213.20 : 708,624,319.80 = 429,334,062.80 : x
  2. Step 2: Convert to fraction form
    472,416,213.20/708,624,319.80 = 429,334,062.80/x
  3. Step 3: Cross multiply
    472,416,213.20x = 708,624,319.80 × 429,334,062.80
  4. Step 4: Simplify right side
    472,416,213.20x = 304,236,558,218,620,480
  5. Step 5: Solve for x
    x = 304,236,558,218,620,480/472,416,213.20
  6. Step 6: Final answer
    x = 644,001,094.20

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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.