Home / 1,214,538,998.40-1,821,808,497.60-755,373,974.40

Finding the Fourth Proportional to 1,214,538,998.40, 1,821,808,497.60 and 755,373,974.40

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Solution

The fourth proportional to 1,214,538,998.40, 1,821,808,497.60 and 755,373,974.40 is: 1,133,060,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,538,998.40 : 1,821,808,497.60 = 755,373,974.40 : x
  2. Step 2: Convert to fraction form
    1,214,538,998.40/1,821,808,497.60 = 755,373,974.40/x
  3. Step 3: Cross multiply
    1,214,538,998.40x = 1,821,808,497.60 × 755,373,974.40
  4. Step 4: Simplify right side
    1,214,538,998.40x = 1,376,146,725,427,804,672
  5. Step 5: Solve for x
    x = 1,376,146,725,427,804,672/1,214,538,998.40
  6. Step 6: Final answer
    x = 1,133,060,961.60

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Double scale
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Similar ratio
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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.