Home / 726,768,526.80-1,090,294,507.80-312,244,546.80

Finding the Fourth Proportional to 726,768,526.80, 1,090,294,507.80 and 312,244,546.80

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Solution

The fourth proportional to 726,768,526.80, 1,090,294,507.80 and 312,244,546.80 is: 468,427,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,768,526.80 : 1,090,294,507.80 = 312,244,546.80 : x
  2. Step 2: Convert to fraction form
    726,768,526.80/1,090,294,507.80 = 312,244,546.80/x
  3. Step 3: Cross multiply
    726,768,526.80x = 1,090,294,507.80 × 312,244,546.80
  4. Step 4: Simplify right side
    726,768,526.80x = 340,438,514,466,540,032
  5. Step 5: Solve for x
    x = 340,438,514,466,540,032/726,768,526.80
  6. Step 6: Final answer
    x = 468,427,706.91

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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.