Home / 20,364,349,458.87-28,105,248,744.10-12,335,454,421.11

Finding the Fourth Proportional to 20,364,349,458.87, 28,105,248,744.10 and 12,335,454,421.11

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Solution

The fourth proportional to 20,364,349,458.87, 28,105,248,744.10 and 12,335,454,421.11 is: 17,024,409,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364,349,458.87 : 28,105,248,744.10 = 12,335,454,421.11 : x
  2. Step 2: Convert to fraction form
    20,364,349,458.87/28,105,248,744.10 = 12,335,454,421.11/x
  3. Step 3: Cross multiply
    20,364,349,458.87x = 28,105,248,744.10 × 12,335,454,421.11
  4. Step 4: Simplify right side
    20,364,349,458.87x = 346,691,014,876,804,612,096
  5. Step 5: Solve for x
    x = 346,691,014,876,804,612,096/20,364,349,458.87
  6. Step 6: Final answer
    x = 17,024,409,032.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.