Home / 12,248,064,813.10-18,372,097,219.65-7,002,288,121.90

Finding the Fourth Proportional to 12,248,064,813.10, 18,372,097,219.65 and 7,002,288,121.90

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Solution

The fourth proportional to 12,248,064,813.10, 18,372,097,219.65 and 7,002,288,121.90 is: 10,503,432,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,064,813.10 : 18,372,097,219.65 = 7,002,288,121.90 : x
  2. Step 2: Convert to fraction form
    12,248,064,813.10/18,372,097,219.65 = 7,002,288,121.90/x
  3. Step 3: Cross multiply
    12,248,064,813.10x = 18,372,097,219.65 × 7,002,288,121.90
  4. Step 4: Simplify right side
    12,248,064,813.10x = 128,646,718,135,547,215,872
  5. Step 5: Solve for x
    x = 128,646,718,135,547,215,872/12,248,064,813.10
  6. Step 6: Final answer
    x = 10,503,432,182.85

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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.