Home / 31,217,955,428.32-43,079,663,833.88-17,669,301,693.72

Finding the Fourth Proportional to 31,217,955,428.32, 43,079,663,833.88 and 17,669,301,693.72

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Solution

The fourth proportional to 31,217,955,428.32, 43,079,663,833.88 and 17,669,301,693.72 is: 24,383,005,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217,955,428.32 : 43,079,663,833.88 = 17,669,301,693.72 : x
  2. Step 2: Convert to fraction form
    31,217,955,428.32/43,079,663,833.88 = 17,669,301,693.72/x
  3. Step 3: Cross multiply
    31,217,955,428.32x = 43,079,663,833.88 × 17,669,301,693.72
  4. Step 4: Simplify right side
    31,217,955,428.32x = 761,187,577,144,864,145,408
  5. Step 5: Solve for x
    x = 761,187,577,144,864,145,408/31,217,955,428.32
  6. Step 6: Final answer
    x = 24,383,005,443.54

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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.