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Finding the Fourth Proportional to 1,324,720,818.06, 1,828,126,818.72 and 730,026,639.96

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Solution

The fourth proportional to 1,324,720,818.06, 1,828,126,818.72 and 730,026,639.96 is: 1,007,443,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,720,818.06 : 1,828,126,818.72 = 730,026,639.96 : x
  2. Step 2: Convert to fraction form
    1,324,720,818.06/1,828,126,818.72 = 730,026,639.96/x
  3. Step 3: Cross multiply
    1,324,720,818.06x = 1,828,126,818.72 × 730,026,639.96
  4. Step 4: Simplify right side
    1,324,720,818.06x = 1,334,581,278,890,925,824
  5. Step 5: Solve for x
    x = 1,334,581,278,890,925,824/1,324,720,818.06
  6. Step 6: Final answer
    x = 1,007,443,425.59

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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.