Home / 779,576,532.90-1,169,512,282.42-313,274,256.27

Finding the Fourth Proportional to 779,576,532.90, 1,169,512,282.42 and 313,274,256.27

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Solution

The fourth proportional to 779,576,532.90, 1,169,512,282.42 and 313,274,256.27 is: 469,970,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,576,532.90 : 1,169,512,282.42 = 313,274,256.27 : x
  2. Step 2: Convert to fraction form
    779,576,532.90/1,169,512,282.42 = 313,274,256.27/x
  3. Step 3: Cross multiply
    779,576,532.90x = 1,169,512,282.42 × 313,274,256.27
  4. Step 4: Simplify right side
    779,576,532.90x = 366,378,090,473,755,712
  5. Step 5: Solve for x
    x = 366,378,090,473,755,712/779,576,532.90
  6. Step 6: Final answer
    x = 469,970,650.75

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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.