Home / 754,465,721.43-1,040,984,594.34-634,220,876.55

Finding the Fourth Proportional to 754,465,721.43, 1,040,984,594.34 and 634,220,876.55

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Solution

The fourth proportional to 754,465,721.43, 1,040,984,594.34 and 634,220,876.55 is: 875,075,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,465,721.43 : 1,040,984,594.34 = 634,220,876.55 : x
  2. Step 2: Convert to fraction form
    754,465,721.43/1,040,984,594.34 = 634,220,876.55/x
  3. Step 3: Cross multiply
    754,465,721.43x = 1,040,984,594.34 × 634,220,876.55
  4. Step 4: Simplify right side
    754,465,721.43x = 660,214,161,897,360,896
  5. Step 5: Solve for x
    x = 660,214,161,897,360,896/754,465,721.43
  6. Step 6: Final answer
    x = 875,075,093.73

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Double scale
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1.5x scale

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.