Home / 1,491,007,039.67-2,057,595,951.29-821,937,398.40

Finding the Fourth Proportional to 1,491,007,039.67, 2,057,595,951.29 and 821,937,398.40

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Solution

The fourth proportional to 1,491,007,039.67, 2,057,595,951.29 and 821,937,398.40 is: 1,134,277,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,007,039.67 : 2,057,595,951.29 = 821,937,398.40 : x
  2. Step 2: Convert to fraction form
    1,491,007,039.67/2,057,595,951.29 = 821,937,398.40/x
  3. Step 3: Cross multiply
    1,491,007,039.67x = 2,057,595,951.29 × 821,937,398.40
  4. Step 4: Simplify right side
    1,491,007,039.67x = 1,691,215,063,161,675,520
  5. Step 5: Solve for x
    x = 1,691,215,063,161,675,520/1,491,007,039.67
  6. Step 6: Final answer
    x = 1,134,277,047.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.