Home / 20,167,284,551.10-30,250,926,826.65-12,838,784,019.90

Finding the Fourth Proportional to 20,167,284,551.10, 30,250,926,826.65 and 12,838,784,019.90

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Solution

The fourth proportional to 20,167,284,551.10, 30,250,926,826.65 and 12,838,784,019.90 is: 19,258,176,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167,284,551.10 : 30,250,926,826.65 = 12,838,784,019.90 : x
  2. Step 2: Convert to fraction form
    20,167,284,551.10/30,250,926,826.65 = 12,838,784,019.90/x
  3. Step 3: Cross multiply
    20,167,284,551.10x = 30,250,926,826.65 × 12,838,784,019.90
  4. Step 4: Simplify right side
    20,167,284,551.10x = 388,385,115,929,158,221,824
  5. Step 5: Solve for x
    x = 388,385,115,929,158,221,824/20,167,284,551.10
  6. Step 6: Final answer
    x = 19,258,176,029.85

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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.