Home / 382,682,025.10-527,819,220.12-288,600,132.30

Finding the Fourth Proportional to 382,682,025.10, 527,819,220.12 and 288,600,132.30

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Solution

The fourth proportional to 382,682,025.10, 527,819,220.12 and 288,600,132.30 is: 398,055,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,682,025.10 : 527,819,220.12 = 288,600,132.30 : x
  2. Step 2: Convert to fraction form
    382,682,025.10/527,819,220.12 = 288,600,132.30/x
  3. Step 3: Cross multiply
    382,682,025.10x = 527,819,220.12 × 288,600,132.30
  4. Step 4: Simplify right side
    382,682,025.10x = 152,328,696,754,595,808
  5. Step 5: Solve for x
    x = 152,328,696,754,595,808/382,682,025.10
  6. Step 6: Final answer
    x = 398,055,531.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.