Home / 686,540,505.60-1,029,810,758.40-454,088,212.20

Finding the Fourth Proportional to 686,540,505.60, 1,029,810,758.40 and 454,088,212.20

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Solution

The fourth proportional to 686,540,505.60, 1,029,810,758.40 and 454,088,212.20 is: 681,132,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,540,505.60 : 1,029,810,758.40 = 454,088,212.20 : x
  2. Step 2: Convert to fraction form
    686,540,505.60/1,029,810,758.40 = 454,088,212.20/x
  3. Step 3: Cross multiply
    686,540,505.60x = 1,029,810,758.40 × 454,088,212.20
  4. Step 4: Simplify right side
    686,540,505.60x = 467,624,926,186,182,080
  5. Step 5: Solve for x
    x = 467,624,926,186,182,080/686,540,505.60
  6. Step 6: Final answer
    x = 681,132,318.30

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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.