Home / 1,324,720,826.40-1,828,126,830.30-730,026,648.30

Finding the Fourth Proportional to 1,324,720,826.40, 1,828,126,830.30 and 730,026,648.30

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Solution

The fourth proportional to 1,324,720,826.40, 1,828,126,830.30 and 730,026,648.30 is: 1,007,443,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,720,826.40 : 1,828,126,830.30 = 730,026,648.30 : x
  2. Step 2: Convert to fraction form
    1,324,720,826.40/1,828,126,830.30 = 730,026,648.30/x
  3. Step 3: Cross multiply
    1,324,720,826.40x = 1,828,126,830.30 × 730,026,648.30
  4. Step 4: Simplify right side
    1,324,720,826.40x = 1,334,581,302,591,211,776
  5. Step 5: Solve for x
    x = 1,334,581,302,591,211,776/1,324,720,826.40
  6. Step 6: Final answer
    x = 1,007,443,437.13

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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.