Home / 5,217,286,783.38-7,199,887,072.23-2,838,441,785.82

Finding the Fourth Proportional to 5,217,286,783.38, 7,199,887,072.23 and 2,838,441,785.82

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Solution

The fourth proportional to 5,217,286,783.38, 7,199,887,072.23 and 2,838,441,785.82 is: 3,917,066,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,286,783.38 : 7,199,887,072.23 = 2,838,441,785.82 : x
  2. Step 2: Convert to fraction form
    5,217,286,783.38/7,199,887,072.23 = 2,838,441,785.82/x
  3. Step 3: Cross multiply
    5,217,286,783.38x = 7,199,887,072.23 × 2,838,441,785.82
  4. Step 4: Simplify right side
    5,217,286,783.38x = 20,436,460,319,002,853,376
  5. Step 5: Solve for x
    x = 20,436,460,319,002,853,376/5,217,286,783.38
  6. Step 6: Final answer
    x = 3,917,066,699.13

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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.