Home / 818,800,975.20-1,226,951,682.51-486,152,933.63

Finding the Fourth Proportional to 818,800,975.20, 1,226,951,682.51 and 486,152,933.63

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Solution

The fourth proportional to 818,800,975.20, 1,226,951,682.51 and 486,152,933.63 is: 728,487,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,800,975.20 : 1,226,951,682.51 = 486,152,933.63 : x
  2. Step 2: Convert to fraction form
    818,800,975.20/1,226,951,682.51 = 486,152,933.63/x
  3. Step 3: Cross multiply
    818,800,975.20x = 1,226,951,682.51 × 486,152,933.63
  4. Step 4: Simplify right side
    818,800,975.20x = 596,486,159,868,366,080
  5. Step 5: Solve for x
    x = 596,486,159,868,366,080/818,800,975.20
  6. Step 6: Final answer
    x = 728,487,358.88

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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.