Home / 12,375,730,245.40-18,563,595,368.10-4,206,078,021.40

Finding the Fourth Proportional to 12,375,730,245.40, 18,563,595,368.10 and 4,206,078,021.40

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Solution

The fourth proportional to 12,375,730,245.40, 18,563,595,368.10 and 4,206,078,021.40 is: 6,309,117,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,730,245.40 : 18,563,595,368.10 = 4,206,078,021.40 : x
  2. Step 2: Convert to fraction form
    12,375,730,245.40/18,563,595,368.10 = 4,206,078,021.40/x
  3. Step 3: Cross multiply
    12,375,730,245.40x = 18,563,595,368.10 × 4,206,078,021.40
  4. Step 4: Simplify right side
    12,375,730,245.40x = 78,079,930,475,928,240,128
  5. Step 5: Solve for x
    x = 78,079,930,475,928,240,128/12,375,730,245.40
  6. Step 6: Final answer
    x = 6,309,117,032.10

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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.