Home / 3,189,899,246.40-4,784,848,869.60-1,878,455,073.60

Finding the Fourth Proportional to 3,189,899,246.40, 4,784,848,869.60 and 1,878,455,073.60

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Solution

The fourth proportional to 3,189,899,246.40, 4,784,848,869.60 and 1,878,455,073.60 is: 2,817,682,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,899,246.40 : 4,784,848,869.60 = 1,878,455,073.60 : x
  2. Step 2: Convert to fraction form
    3,189,899,246.40/4,784,848,869.60 = 1,878,455,073.60/x
  3. Step 3: Cross multiply
    3,189,899,246.40x = 4,784,848,869.60 × 1,878,455,073.60
  4. Step 4: Simplify right side
    3,189,899,246.40x = 8,988,123,635,509,345,280
  5. Step 5: Solve for x
    x = 8,988,123,635,509,345,280/3,189,899,246.40
  6. Step 6: Final answer
    x = 2,817,682,610.40

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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.