Home / 1,347,896,247.40-2,021,844,371.10-977,694,446.80

Finding the Fourth Proportional to 1,347,896,247.40, 2,021,844,371.10 and 977,694,446.80

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Solution

The fourth proportional to 1,347,896,247.40, 2,021,844,371.10 and 977,694,446.80 is: 1,466,541,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,896,247.40 : 2,021,844,371.10 = 977,694,446.80 : x
  2. Step 2: Convert to fraction form
    1,347,896,247.40/2,021,844,371.10 = 977,694,446.80/x
  3. Step 3: Cross multiply
    1,347,896,247.40x = 2,021,844,371.10 × 977,694,446.80
  4. Step 4: Simplify right side
    1,347,896,247.40x = 1,976,746,013,918,308,096
  5. Step 5: Solve for x
    x = 1,976,746,013,918,308,096/1,347,896,247.40
  6. Step 6: Final answer
    x = 1,466,541,670.20

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Double scale
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1.5x scale

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.