Home / 478,134,300,915.35-717,201,451,422.30-159,780,499,669.80

Finding the Fourth Proportional to 478,134,300,915.35, 717,201,451,422.30 and 159,780,499,669.80

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Solution

The fourth proportional to 478,134,300,915.35, 717,201,451,422.30 and 159,780,499,669.80 is: 239,670,749,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,134,300,915.35 : 717,201,451,422.30 = 159,780,499,669.80 : x
  2. Step 2: Convert to fraction form
    478,134,300,915.35/717,201,451,422.30 = 159,780,499,669.80/x
  3. Step 3: Cross multiply
    478,134,300,915.35x = 717,201,451,422.30 × 159,780,499,669.80
  4. Step 4: Simplify right side
    478,134,300,915.35x = 114,594,806,272,160,883,015,680
  5. Step 5: Solve for x
    x = 114,594,806,272,160,883,015,680/478,134,300,915.35
  6. Step 6: Final answer
    x = 239,670,749,521.17

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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.