Home / 649,517,687.20-974,276,530.80-585,020,432.80

Finding the Fourth Proportional to 649,517,687.20, 974,276,530.80 and 585,020,432.80

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Solution

The fourth proportional to 649,517,687.20, 974,276,530.80 and 585,020,432.80 is: 877,530,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,517,687.20 : 974,276,530.80 = 585,020,432.80 : x
  2. Step 2: Convert to fraction form
    649,517,687.20/974,276,530.80 = 585,020,432.80/x
  3. Step 3: Cross multiply
    649,517,687.20x = 974,276,530.80 × 585,020,432.80
  4. Step 4: Simplify right side
    649,517,687.20x = 569,971,677,715,498,432
  5. Step 5: Solve for x
    x = 569,971,677,715,498,432/649,517,687.20
  6. Step 6: Final answer
    x = 877,530,649.20

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Double scale
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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.