Home / 1,513,368,738.60-2,270,053,107.90-422,851,806.60

Finding the Fourth Proportional to 1,513,368,738.60, 2,270,053,107.90 and 422,851,806.60

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Solution

The fourth proportional to 1,513,368,738.60, 2,270,053,107.90 and 422,851,806.60 is: 634,277,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,368,738.60 : 2,270,053,107.90 = 422,851,806.60 : x
  2. Step 2: Convert to fraction form
    1,513,368,738.60/2,270,053,107.90 = 422,851,806.60/x
  3. Step 3: Cross multiply
    1,513,368,738.60x = 2,270,053,107.90 × 422,851,806.60
  4. Step 4: Simplify right side
    1,513,368,738.60x = 959,896,057,753,459,840
  5. Step 5: Solve for x
    x = 959,896,057,753,459,840/1,513,368,738.60
  6. Step 6: Final answer
    x = 634,277,709.90

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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.