Home / 2,686,113,056.72-4,029,894,997.90-820,707,886.87

Finding the Fourth Proportional to 2,686,113,056.72, 4,029,894,997.90 and 820,707,886.87

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Solution

The fourth proportional to 2,686,113,056.72, 4,029,894,997.90 and 820,707,886.87 is: 1,231,283,471.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,113,056.72 : 4,029,894,997.90 = 820,707,886.87 : x
  2. Step 2: Convert to fraction form
    2,686,113,056.72/4,029,894,997.90 = 820,707,886.87/x
  3. Step 3: Cross multiply
    2,686,113,056.72x = 4,029,894,997.90 × 820,707,886.87
  4. Step 4: Simplify right side
    2,686,113,056.72x = 3,307,366,608,022,365,184
  5. Step 5: Solve for x
    x = 3,307,366,608,022,365,184/2,686,113,056.72
  6. Step 6: Final answer
    x = 1,231,283,471.02

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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.