Home / 289,161,874.60-434,078,735.10-174,276,140.20

Finding the Fourth Proportional to 289,161,874.60, 434,078,735.10 and 174,276,140.20

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Solution

The fourth proportional to 289,161,874.60, 434,078,735.10 and 174,276,140.20 is: 261,616,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,161,874.60 : 434,078,735.10 = 174,276,140.20 : x
  2. Step 2: Convert to fraction form
    289,161,874.60/434,078,735.10 = 174,276,140.20/x
  3. Step 3: Cross multiply
    289,161,874.60x = 434,078,735.10 × 174,276,140.20
  4. Step 4: Simplify right side
    289,161,874.60x = 75,649,566,496,126,256
  5. Step 5: Solve for x
    x = 75,649,566,496,126,256/289,161,874.60
  6. Step 6: Final answer
    x = 261,616,669.21

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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.