Home / 1,213,652,131.50-1,674,844,382.44-656,735,184.30

Finding the Fourth Proportional to 1,213,652,131.50, 1,674,844,382.44 and 656,735,184.30

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Solution

The fourth proportional to 1,213,652,131.50, 1,674,844,382.44 and 656,735,184.30 is: 906,296,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,652,131.50 : 1,674,844,382.44 = 656,735,184.30 : x
  2. Step 2: Convert to fraction form
    1,213,652,131.50/1,674,844,382.44 = 656,735,184.30/x
  3. Step 3: Cross multiply
    1,213,652,131.50x = 1,674,844,382.44 × 656,735,184.30
  4. Step 4: Simplify right side
    1,213,652,131.50x = 1,099,929,234,175,553,024
  5. Step 5: Solve for x
    x = 1,099,929,234,175,553,024/1,213,652,131.50
  6. Step 6: Final answer
    x = 906,296,957.45

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.