Home / 726,768,523.30-1,090,294,502.55-312,244,543.30

Finding the Fourth Proportional to 726,768,523.30, 1,090,294,502.55 and 312,244,543.30

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Solution

The fourth proportional to 726,768,523.30, 1,090,294,502.55 and 312,244,543.30 is: 468,427,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,768,523.30 : 1,090,294,502.55 = 312,244,543.30 : x
  2. Step 2: Convert to fraction form
    726,768,523.30/1,090,294,502.55 = 312,244,543.30/x
  3. Step 3: Cross multiply
    726,768,523.30x = 1,090,294,502.55 × 312,244,543.30
  4. Step 4: Simplify right side
    726,768,523.30x = 340,438,509,011,225,408
  5. Step 5: Solve for x
    x = 340,438,509,011,225,408/726,768,523.30
  6. Step 6: Final answer
    x = 468,427,701.66

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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.