Home / 826,047,005.40-1,236,200,726.70-757,172,251.80

Finding the Fourth Proportional to 826,047,005.40, 1,236,200,726.70 and 757,172,251.80

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Solution

The fourth proportional to 826,047,005.40, 1,236,200,726.70 and 757,172,251.80 is: 1,133,127,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,047,005.40 : 1,236,200,726.70 = 757,172,251.80 : x
  2. Step 2: Convert to fraction form
    826,047,005.40/1,236,200,726.70 = 757,172,251.80/x
  3. Step 3: Cross multiply
    826,047,005.40x = 1,236,200,726.70 × 757,172,251.80
  4. Step 4: Simplify right side
    826,047,005.40x = 936,016,887,912,235,392
  5. Step 5: Solve for x
    x = 936,016,887,912,235,392/826,047,005.40
  6. Step 6: Final answer
    x = 1,133,127,875.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.