Home / 869,891,426.70-1,304,837,140.05-836,448,405.90

Finding the Fourth Proportional to 869,891,426.70, 1,304,837,140.05 and 836,448,405.90

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Solution

The fourth proportional to 869,891,426.70, 1,304,837,140.05 and 836,448,405.90 is: 1,254,672,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,891,426.70 : 1,304,837,140.05 = 836,448,405.90 : x
  2. Step 2: Convert to fraction form
    869,891,426.70/1,304,837,140.05 = 836,448,405.90/x
  3. Step 3: Cross multiply
    869,891,426.70x = 1,304,837,140.05 × 836,448,405.90
  4. Step 4: Simplify right side
    869,891,426.70x = 1,091,428,945,753,937,536
  5. Step 5: Solve for x
    x = 1,091,428,945,753,937,536/869,891,426.70
  6. Step 6: Final answer
    x = 1,254,672,608.85

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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.