Home / 748,820,104.40-1,121,044,556.10-436,972,100.24

Finding the Fourth Proportional to 748,820,104.40, 1,121,044,556.10 and 436,972,100.24

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Solution

The fourth proportional to 748,820,104.40, 1,121,044,556.10 and 436,972,100.24 is: 654,182,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,820,104.40 : 1,121,044,556.10 = 436,972,100.24 : x
  2. Step 2: Convert to fraction form
    748,820,104.40/1,121,044,556.10 = 436,972,100.24/x
  3. Step 3: Cross multiply
    748,820,104.40x = 1,121,044,556.10 × 436,972,100.24
  4. Step 4: Simplify right side
    748,820,104.40x = 489,865,194,141,635,456
  5. Step 5: Solve for x
    x = 489,865,194,141,635,456/748,820,104.40
  6. Step 6: Final answer
    x = 654,182,748.65

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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.