Home / 31,217,955,389.45-43,079,663,780.24-17,669,301,654.83

Finding the Fourth Proportional to 31,217,955,389.45, 43,079,663,780.24 and 17,669,301,654.83

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Solution

The fourth proportional to 31,217,955,389.45, 43,079,663,780.24 and 17,669,301,654.83 is: 24,383,005,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217,955,389.45 : 43,079,663,780.24 = 17,669,301,654.83 : x
  2. Step 2: Convert to fraction form
    31,217,955,389.45/43,079,663,780.24 = 17,669,301,654.83/x
  3. Step 3: Cross multiply
    31,217,955,389.45x = 43,079,663,780.24 × 17,669,301,654.83
  4. Step 4: Simplify right side
    31,217,955,389.45x = 761,187,574,521,410,879,488
  5. Step 5: Solve for x
    x = 761,187,574,521,410,879,488/31,217,955,389.45
  6. Step 6: Final answer
    x = 24,383,005,389.87

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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.