Home / 478,962,051.20-718,443,076.80-375,649,920.80

Finding the Fourth Proportional to 478,962,051.20, 718,443,076.80 and 375,649,920.80

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Solution

The fourth proportional to 478,962,051.20, 718,443,076.80 and 375,649,920.80 is: 563,474,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,962,051.20 : 718,443,076.80 = 375,649,920.80 : x
  2. Step 2: Convert to fraction form
    478,962,051.20/718,443,076.80 = 375,649,920.80/x
  3. Step 3: Cross multiply
    478,962,051.20x = 718,443,076.80 × 375,649,920.80
  4. Step 4: Simplify right side
    478,962,051.20x = 269,883,084,899,228,320
  5. Step 5: Solve for x
    x = 269,883,084,899,228,320/478,962,051.20
  6. Step 6: Final answer
    x = 563,474,881.20

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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.