Home / 1,424,260,145.40-2,136,390,218.10-801,836,446.20

Finding the Fourth Proportional to 1,424,260,145.40, 2,136,390,218.10 and 801,836,446.20

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Solution

The fourth proportional to 1,424,260,145.40, 2,136,390,218.10 and 801,836,446.20 is: 1,202,754,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,260,145.40 : 2,136,390,218.10 = 801,836,446.20 : x
  2. Step 2: Convert to fraction form
    1,424,260,145.40/2,136,390,218.10 = 801,836,446.20/x
  3. Step 3: Cross multiply
    1,424,260,145.40x = 2,136,390,218.10 × 801,836,446.20
  4. Step 4: Simplify right side
    1,424,260,145.40x = 1,713,035,540,177,746,944
  5. Step 5: Solve for x
    x = 1,713,035,540,177,746,944/1,424,260,145.40
  6. Step 6: Final answer
    x = 1,202,754,669.30

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Double scale
Find fourth proportional to 1,424,260,146.40, 2,136,390,219.60 and 801,836,447.20
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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.