Home / 1,986,569,513.10-2,979,755,212.95-742,908,544.62

Finding the Fourth Proportional to 1,986,569,513.10, 2,979,755,212.95 and 742,908,544.62

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Solution

The fourth proportional to 1,986,569,513.10, 2,979,755,212.95 and 742,908,544.62 is: 1,114,325,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,569,513.10 : 2,979,755,212.95 = 742,908,544.62 : x
  2. Step 2: Convert to fraction form
    1,986,569,513.10/2,979,755,212.95 = 742,908,544.62/x
  3. Step 3: Cross multiply
    1,986,569,513.10x = 2,979,755,212.95 × 742,908,544.62
  4. Step 4: Simplify right side
    1,986,569,513.10x = 2,213,685,608,576,542,464
  5. Step 5: Solve for x
    x = 2,213,685,608,576,542,464/1,986,569,513.10
  6. Step 6: Final answer
    x = 1,114,325,773.14

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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.