Home / 13,280,128,011.20-19,920,192,016.80-3,465,475,623.20

Finding the Fourth Proportional to 13,280,128,011.20, 19,920,192,016.80 and 3,465,475,623.20

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Solution

The fourth proportional to 13,280,128,011.20, 19,920,192,016.80 and 3,465,475,623.20 is: 5,198,213,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,128,011.20 : 19,920,192,016.80 = 3,465,475,623.20 : x
  2. Step 2: Convert to fraction form
    13,280,128,011.20/19,920,192,016.80 = 3,465,475,623.20/x
  3. Step 3: Cross multiply
    13,280,128,011.20x = 19,920,192,016.80 × 3,465,475,623.20
  4. Step 4: Simplify right side
    13,280,128,011.20x = 69,032,939,843,683,639,296
  5. Step 5: Solve for x
    x = 69,032,939,843,683,639,296/13,280,128,011.20
  6. Step 6: Final answer
    x = 5,198,213,434.80

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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.