Home / 450,492,080.10-675,738,120.15-159,687,564.90

Finding the Fourth Proportional to 450,492,080.10, 675,738,120.15 and 159,687,564.90

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Solution

The fourth proportional to 450,492,080.10, 675,738,120.15 and 159,687,564.90 is: 239,531,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,492,080.10 : 675,738,120.15 = 159,687,564.90 : x
  2. Step 2: Convert to fraction form
    450,492,080.10/675,738,120.15 = 159,687,564.90/x
  3. Step 3: Cross multiply
    450,492,080.10x = 675,738,120.15 × 159,687,564.90
  4. Step 4: Simplify right side
    450,492,080.10x = 107,906,974,916,857,120
  5. Step 5: Solve for x
    x = 107,906,974,916,857,120/450,492,080.10
  6. Step 6: Final answer
    x = 239,531,347.35

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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.