Home / 1,342,321,715.10-2,013,482,572.65-422,480,012.70

Finding the Fourth Proportional to 1,342,321,715.10, 2,013,482,572.65 and 422,480,012.70

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Solution

The fourth proportional to 1,342,321,715.10, 2,013,482,572.65 and 422,480,012.70 is: 633,720,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,321,715.10 : 2,013,482,572.65 = 422,480,012.70 : x
  2. Step 2: Convert to fraction form
    1,342,321,715.10/2,013,482,572.65 = 422,480,012.70/x
  3. Step 3: Cross multiply
    1,342,321,715.10x = 2,013,482,572.65 × 422,480,012.70
  4. Step 4: Simplify right side
    1,342,321,715.10x = 850,656,142,864,400,640
  5. Step 5: Solve for x
    x = 850,656,142,864,400,640/1,342,321,715.10
  6. Step 6: Final answer
    x = 633,720,019.05

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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.