Home / 274,720,006.80-412,080,010.20-70,264,083.60

Finding the Fourth Proportional to 274,720,006.80, 412,080,010.20 and 70,264,083.60

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Solution

The fourth proportional to 274,720,006.80, 412,080,010.20 and 70,264,083.60 is: 105,396,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,720,006.80 : 412,080,010.20 = 70,264,083.60 : x
  2. Step 2: Convert to fraction form
    274,720,006.80/412,080,010.20 = 70,264,083.60/x
  3. Step 3: Cross multiply
    274,720,006.80x = 412,080,010.20 × 70,264,083.60
  4. Step 4: Simplify right side
    274,720,006.80x = 28,954,424,286,581,648
  5. Step 5: Solve for x
    x = 28,954,424,286,581,648/274,720,006.80
  6. Step 6: Final answer
    x = 105,396,125.40

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1.5x scale

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.