Home / 31,217,955,430.32-43,079,663,836.64-17,669,301,695.72

Finding the Fourth Proportional to 31,217,955,430.32, 43,079,663,836.64 and 17,669,301,695.72

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Solution

The fourth proportional to 31,217,955,430.32, 43,079,663,836.64 and 17,669,301,695.72 is: 24,383,005,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217,955,430.32 : 43,079,663,836.64 = 17,669,301,695.72 : x
  2. Step 2: Convert to fraction form
    31,217,955,430.32/43,079,663,836.64 = 17,669,301,695.72/x
  3. Step 3: Cross multiply
    31,217,955,430.32x = 43,079,663,836.64 × 17,669,301,695.72
  4. Step 4: Simplify right side
    31,217,955,430.32x = 761,187,577,279,790,710,784
  5. Step 5: Solve for x
    x = 761,187,577,279,790,710,784/31,217,955,430.32
  6. Step 6: Final answer
    x = 24,383,005,446.30

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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.