Home / 1,267,791,379.26-1,749,290,113.35-731,933,758.56

Finding the Fourth Proportional to 1,267,791,379.26, 1,749,290,113.35 and 731,933,758.56

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Solution

The fourth proportional to 1,267,791,379.26, 1,749,290,113.35 and 731,933,758.56 is: 1,009,917,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,791,379.26 : 1,749,290,113.35 = 731,933,758.56 : x
  2. Step 2: Convert to fraction form
    1,267,791,379.26/1,749,290,113.35 = 731,933,758.56/x
  3. Step 3: Cross multiply
    1,267,791,379.26x = 1,749,290,113.35 × 731,933,758.56
  4. Step 4: Simplify right side
    1,267,791,379.26x = 1,280,364,487,476,113,664
  5. Step 5: Solve for x
    x = 1,280,364,487,476,113,664/1,267,791,379.26
  6. Step 6: Final answer
    x = 1,009,917,332.16

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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.