Home / 980,761,265.91-1,471,147,317.09-243,831,171.24

Finding the Fourth Proportional to 980,761,265.91, 1,471,147,317.09 and 243,831,171.24

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Solution

The fourth proportional to 980,761,265.91, 1,471,147,317.09 and 243,831,171.24 is: 365,748,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,761,265.91 : 1,471,147,317.09 = 243,831,171.24 : x
  2. Step 2: Convert to fraction form
    980,761,265.91/1,471,147,317.09 = 243,831,171.24/x
  3. Step 3: Cross multiply
    980,761,265.91x = 1,471,147,317.09 × 243,831,171.24
  4. Step 4: Simplify right side
    980,761,265.91x = 358,711,573,392,638,336
  5. Step 5: Solve for x
    x = 358,711,573,392,638,336/980,761,265.91
  6. Step 6: Final answer
    x = 365,748,103.91

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Double scale
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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.