Home / 25,857,654,473.43-35,684,443,622.91-15,005,885,507.65

Finding the Fourth Proportional to 25,857,654,473.43, 35,684,443,622.91 and 15,005,885,507.65

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Solution

The fourth proportional to 25,857,654,473.43, 35,684,443,622.91 and 15,005,885,507.65 is: 20,708,632,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857,654,473.43 : 35,684,443,622.91 = 15,005,885,507.65 : x
  2. Step 2: Convert to fraction form
    25,857,654,473.43/35,684,443,622.91 = 15,005,885,507.65/x
  3. Step 3: Cross multiply
    25,857,654,473.43x = 35,684,443,622.91 × 15,005,885,507.65
  4. Step 4: Simplify right side
    25,857,654,473.43x = 535,476,675,409,430,249,472
  5. Step 5: Solve for x
    x = 535,476,675,409,430,249,472/25,857,654,473.43
  6. Step 6: Final answer
    x = 20,708,632,948.89

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Double scale
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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.