Home / 1,267,691,312.16-1,749,380,255.49-731,824,892.16

Finding the Fourth Proportional to 1,267,691,312.16, 1,749,380,255.49 and 731,824,892.16

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Solution

The fourth proportional to 1,267,691,312.16, 1,749,380,255.49 and 731,824,892.16 is: 1,009,898,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,691,312.16 : 1,749,380,255.49 = 731,824,892.16 : x
  2. Step 2: Convert to fraction form
    1,267,691,312.16/1,749,380,255.49 = 731,824,892.16/x
  3. Step 3: Cross multiply
    1,267,691,312.16x = 1,749,380,255.49 × 731,824,892.16
  4. Step 4: Simplify right side
    1,267,691,312.16x = 1,280,240,016,820,802,560
  5. Step 5: Solve for x
    x = 1,280,240,016,820,802,560/1,267,691,312.16
  6. Step 6: Final answer
    x = 1,009,898,864.61

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Double scale
Find fourth proportional to 1,267,691,313.16, 1,749,380,256.87 and 731,824,893.16
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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.