Home / 1,780,312,682.79-2,456,506,650.65-1,027,351,167.21

Finding the Fourth Proportional to 1,780,312,682.79, 2,456,506,650.65 and 1,027,351,167.21

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Solution

The fourth proportional to 1,780,312,682.79, 2,456,506,650.65 and 1,027,351,167.21 is: 1,417,557,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,312,682.79 : 2,456,506,650.65 = 1,027,351,167.21 : x
  2. Step 2: Convert to fraction form
    1,780,312,682.79/2,456,506,650.65 = 1,027,351,167.21/x
  3. Step 3: Cross multiply
    1,780,312,682.79x = 2,456,506,650.65 × 1,027,351,167.21
  4. Step 4: Simplify right side
    1,780,312,682.79x = 2,523,694,974,799,268,352
  5. Step 5: Solve for x
    x = 2,523,694,974,799,268,352/1,780,312,682.79
  6. Step 6: Final answer
    x = 1,417,557,151.17

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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.