Home / 792,614,541.40-1,188,921,812.10-274,872,909.40

Finding the Fourth Proportional to 792,614,541.40, 1,188,921,812.10 and 274,872,909.40

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Solution

The fourth proportional to 792,614,541.40, 1,188,921,812.10 and 274,872,909.40 is: 412,309,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,614,541.40 : 1,188,921,812.10 = 274,872,909.40 : x
  2. Step 2: Convert to fraction form
    792,614,541.40/1,188,921,812.10 = 274,872,909.40/x
  3. Step 3: Cross multiply
    792,614,541.40x = 1,188,921,812.10 × 274,872,909.40
  4. Step 4: Simplify right side
    792,614,541.40x = 326,802,397,541,047,040
  5. Step 5: Solve for x
    x = 326,802,397,541,047,040/792,614,541.40
  6. Step 6: Final answer
    x = 412,309,364.10

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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.