Home / 883,421,769.20-1,325,120,212.20-398,746,799.60

Finding the Fourth Proportional to 883,421,769.20, 1,325,120,212.20 and 398,746,799.60

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Solution

The fourth proportional to 883,421,769.20, 1,325,120,212.20 and 398,746,799.60 is: 598,114,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,421,769.20 : 1,325,120,212.20 = 398,746,799.60 : x
  2. Step 2: Convert to fraction form
    883,421,769.20/1,325,120,212.20 = 398,746,799.60/x
  3. Step 3: Cross multiply
    883,421,769.20x = 1,325,120,212.20 × 398,746,799.60
  4. Step 4: Simplify right side
    883,421,769.20x = 528,387,443,700,022,912
  5. Step 5: Solve for x
    x = 528,387,443,700,022,912/883,421,769.20
  6. Step 6: Final answer
    x = 598,114,583.68

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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.