Home / 545,954,005.20-818,931,007.80-157,789,498.80

Finding the Fourth Proportional to 545,954,005.20, 818,931,007.80 and 157,789,498.80

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Solution

The fourth proportional to 545,954,005.20, 818,931,007.80 and 157,789,498.80 is: 236,684,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,954,005.20 : 818,931,007.80 = 157,789,498.80 : x
  2. Step 2: Convert to fraction form
    545,954,005.20/818,931,007.80 = 157,789,498.80/x
  3. Step 3: Cross multiply
    545,954,005.20x = 818,931,007.80 × 157,789,498.80
  4. Step 4: Simplify right side
    545,954,005.20x = 129,218,713,272,540,896
  5. Step 5: Solve for x
    x = 129,218,713,272,540,896/545,954,005.20
  6. Step 6: Final answer
    x = 236,684,248.20

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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.