Home / 1,491,007,038.67-2,057,595,949.91-821,937,397.40

Finding the Fourth Proportional to 1,491,007,038.67, 2,057,595,949.91 and 821,937,397.40

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Solution

The fourth proportional to 1,491,007,038.67, 2,057,595,949.91 and 821,937,397.40 is: 1,134,277,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,007,038.67 : 2,057,595,949.91 = 821,937,397.40 : x
  2. Step 2: Convert to fraction form
    1,491,007,038.67/2,057,595,949.91 = 821,937,397.40/x
  3. Step 3: Cross multiply
    1,491,007,038.67x = 2,057,595,949.91 × 821,937,397.40
  4. Step 4: Simplify right side
    1,491,007,038.67x = 1,691,215,059,958,531,840
  5. Step 5: Solve for x
    x = 1,691,215,059,958,531,840/1,491,007,038.67
  6. Step 6: Final answer
    x = 1,134,277,046.38

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1.5x scale

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.