Home / 1,149,520,026.70-1,724,280,040.05-331,659,009.10

Finding the Fourth Proportional to 1,149,520,026.70, 1,724,280,040.05 and 331,659,009.10

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Solution

The fourth proportional to 1,149,520,026.70, 1,724,280,040.05 and 331,659,009.10 is: 497,488,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,520,026.70 : 1,724,280,040.05 = 331,659,009.10 : x
  2. Step 2: Convert to fraction form
    1,149,520,026.70/1,724,280,040.05 = 331,659,009.10/x
  3. Step 3: Cross multiply
    1,149,520,026.70x = 1,724,280,040.05 × 331,659,009.10
  4. Step 4: Simplify right side
    1,149,520,026.70x = 571,873,009,493,891,328
  5. Step 5: Solve for x
    x = 571,873,009,493,891,328/1,149,520,026.70
  6. Step 6: Final answer
    x = 497,488,513.65

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Double scale
Find fourth proportional to 1,149,520,027.70, 1,724,280,041.55 and 331,659,010.10
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.