Home / 2,117,772,840.71-3,172,977,868.28-1,486,165,342.78

Finding the Fourth Proportional to 2,117,772,840.71, 3,172,977,868.28 and 1,486,165,342.78

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Solution

The fourth proportional to 2,117,772,840.71, 3,172,977,868.28 and 1,486,165,342.78 is: 2,226,664,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,772,840.71 : 3,172,977,868.28 = 1,486,165,342.78 : x
  2. Step 2: Convert to fraction form
    2,117,772,840.71/3,172,977,868.28 = 1,486,165,342.78/x
  3. Step 3: Cross multiply
    2,117,772,840.71x = 3,172,977,868.28 × 1,486,165,342.78
  4. Step 4: Simplify right side
    2,117,772,840.71x = 4,715,569,741,242,076,160
  5. Step 5: Solve for x
    x = 4,715,569,741,242,076,160/2,117,772,840.71
  6. Step 6: Final answer
    x = 2,226,664,565.05

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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.