Home / 664,117,399.20-996,176,098.80-626,494,000.80

Finding the Fourth Proportional to 664,117,399.20, 996,176,098.80 and 626,494,000.80

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Solution

The fourth proportional to 664,117,399.20, 996,176,098.80 and 626,494,000.80 is: 939,741,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,117,399.20 : 996,176,098.80 = 626,494,000.80 : x
  2. Step 2: Convert to fraction form
    664,117,399.20/996,176,098.80 = 626,494,000.80/x
  3. Step 3: Cross multiply
    664,117,399.20x = 996,176,098.80 × 626,494,000.80
  4. Step 4: Simplify right side
    664,117,399.20x = 624,098,349,638,547,968
  5. Step 5: Solve for x
    x = 624,098,349,638,547,968/664,117,399.20
  6. Step 6: Final answer
    x = 939,741,001.20

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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.