Home / 1,316,951,161.28-1,974,637,815.48-419,170,151.60

Finding the Fourth Proportional to 1,316,951,161.28, 1,974,637,815.48 and 419,170,151.60

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Solution

The fourth proportional to 1,316,951,161.28, 1,974,637,815.48 and 419,170,151.60 is: 628,504,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,951,161.28 : 1,974,637,815.48 = 419,170,151.60 : x
  2. Step 2: Convert to fraction form
    1,316,951,161.28/1,974,637,815.48 = 419,170,151.60/x
  3. Step 3: Cross multiply
    1,316,951,161.28x = 1,974,637,815.48 × 419,170,151.60
  4. Step 4: Simplify right side
    1,316,951,161.28x = 827,709,232,459,971,328
  5. Step 5: Solve for x
    x = 827,709,232,459,971,328/1,316,951,161.28
  6. Step 6: Final answer
    x = 628,504,121.34

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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.