Home / 13,280,127,728.20-19,920,191,592.30-3,465,475,340.20

Finding the Fourth Proportional to 13,280,127,728.20, 19,920,191,592.30 and 3,465,475,340.20

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Solution

The fourth proportional to 13,280,127,728.20, 19,920,191,592.30 and 3,465,475,340.20 is: 5,198,213,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,127,728.20 : 19,920,191,592.30 = 3,465,475,340.20 : x
  2. Step 2: Convert to fraction form
    13,280,127,728.20/19,920,191,592.30 = 3,465,475,340.20/x
  3. Step 3: Cross multiply
    13,280,127,728.20x = 19,920,191,592.30 × 3,465,475,340.20
  4. Step 4: Simplify right side
    13,280,127,728.20x = 69,032,932,735,175,016,448
  5. Step 5: Solve for x
    x = 69,032,932,735,175,016,448/13,280,127,728.20
  6. Step 6: Final answer
    x = 5,198,213,010.30

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1.5x scale

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.