Home / 27,940,564,613.79-38,557,783,018.08-15,253,300,279.17

Finding the Fourth Proportional to 27,940,564,613.79, 38,557,783,018.08 and 15,253,300,279.17

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Solution

The fourth proportional to 27,940,564,613.79, 38,557,783,018.08 and 15,253,300,279.17 is: 21,049,447,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940,564,613.79 : 38,557,783,018.08 = 15,253,300,279.17 : x
  2. Step 2: Convert to fraction form
    27,940,564,613.79/38,557,783,018.08 = 15,253,300,279.17/x
  3. Step 3: Cross multiply
    27,940,564,613.79x = 38,557,783,018.08 × 15,253,300,279.17
  4. Step 4: Simplify right side
    27,940,564,613.79x = 588,133,442,473,856,008,192
  5. Step 5: Solve for x
    x = 588,133,442,473,856,008,192/27,940,564,613.79
  6. Step 6: Final answer
    x = 21,049,447,303.71

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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.