Home / 3,189,382,877.10-4,784,074,315.65-1,958,560,272.30

Finding the Fourth Proportional to 3,189,382,877.10, 4,784,074,315.65 and 1,958,560,272.30

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Solution

The fourth proportional to 3,189,382,877.10, 4,784,074,315.65 and 1,958,560,272.30 is: 2,937,840,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,382,877.10 : 4,784,074,315.65 = 1,958,560,272.30 : x
  2. Step 2: Convert to fraction form
    3,189,382,877.10/4,784,074,315.65 = 1,958,560,272.30/x
  3. Step 3: Cross multiply
    3,189,382,877.10x = 4,784,074,315.65 × 1,958,560,272.30
  4. Step 4: Simplify right side
    3,189,382,877.10x = 9,369,897,894,362,898,432
  5. Step 5: Solve for x
    x = 9,369,897,894,362,898,432/3,189,382,877.10
  6. Step 6: Final answer
    x = 2,937,840,408.45

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Double scale
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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.