Home / 715,394,401.20-1,073,091,601.80-496,582,426.80

Finding the Fourth Proportional to 715,394,401.20, 1,073,091,601.80 and 496,582,426.80

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Solution

The fourth proportional to 715,394,401.20, 1,073,091,601.80 and 496,582,426.80 is: 744,873,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,394,401.20 : 1,073,091,601.80 = 496,582,426.80 : x
  2. Step 2: Convert to fraction form
    715,394,401.20/1,073,091,601.80 = 496,582,426.80/x
  3. Step 3: Cross multiply
    715,394,401.20x = 1,073,091,601.80 × 496,582,426.80
  4. Step 4: Simplify right side
    715,394,401.20x = 532,878,431,800,543,232
  5. Step 5: Solve for x
    x = 532,878,431,800,543,232/715,394,401.20
  6. Step 6: Final answer
    x = 744,873,640.20

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Double scale
Find fourth proportional to 715,394,402.20, 1,073,091,603.30 and 496,582,427.80
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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.