Home / 465,587,966.70-698,130,007.65-192,986,289.90

Finding the Fourth Proportional to 465,587,966.70, 698,130,007.65 and 192,986,289.90

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Solution

The fourth proportional to 465,587,966.70, 698,130,007.65 and 192,986,289.90 is: 289,375,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,587,966.70 : 698,130,007.65 = 192,986,289.90 : x
  2. Step 2: Convert to fraction form
    465,587,966.70/698,130,007.65 = 192,986,289.90/x
  3. Step 3: Cross multiply
    465,587,966.70x = 698,130,007.65 × 192,986,289.90
  4. Step 4: Simplify right side
    465,587,966.70x = 134,729,520,044,232,112
  5. Step 5: Solve for x
    x = 134,729,520,044,232,112/465,587,966.70
  6. Step 6: Final answer
    x = 289,375,004.68

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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.