Home / 347,680,512,076.80-521,520,768,115.20-291,891,961,660.80

Finding the Fourth Proportional to 347,680,512,076.80, 521,520,768,115.20 and 291,891,961,660.80

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Solution

The fourth proportional to 347,680,512,076.80, 521,520,768,115.20 and 291,891,961,660.80 is: 437,837,942,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,512,076.80 : 521,520,768,115.20 = 291,891,961,660.80 : x
  2. Step 2: Convert to fraction form
    347,680,512,076.80/521,520,768,115.20 = 291,891,961,660.80/x
  3. Step 3: Cross multiply
    347,680,512,076.80x = 521,520,768,115.20 × 291,891,961,660.80
  4. Step 4: Simplify right side
    347,680,512,076.80x = 152,227,720,051,992,911,937,536
  5. Step 5: Solve for x
    x = 152,227,720,051,992,911,937,536/347,680,512,076.80
  6. Step 6: Final answer
    x = 437,837,942,491.20

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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.