Home / 747,275,421,421.10-1,120,913,134,821.10-210,053,381,806.60

Finding the Fourth Proportional to 747,275,421,421.10, 1,120,913,134,821.10 and 210,053,381,806.60

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Solution

The fourth proportional to 747,275,421,421.10, 1,120,913,134,821.10 and 210,053,381,806.60 is: 315,080,073,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,275,421,421.10 : 1,120,913,134,821.10 = 210,053,381,806.60 : x
  2. Step 2: Convert to fraction form
    747,275,421,421.10/1,120,913,134,821.10 = 210,053,381,806.60/x
  3. Step 3: Cross multiply
    747,275,421,421.10x = 1,120,913,134,821.10 × 210,053,381,806.60
  4. Step 4: Simplify right side
    747,275,421,421.10x = 235,451,594,680,609,431,093,248
  5. Step 5: Solve for x
    x = 235,451,594,680,609,431,093,248/747,275,421,421.10
  6. Step 6: Final answer
    x = 315,080,073,465.88

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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.