Home / 512,598,493.94-707,385,945.29-277,649,154.05

Finding the Fourth Proportional to 512,598,493.94, 707,385,945.29 and 277,649,154.05

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Solution

The fourth proportional to 512,598,493.94, 707,385,945.29 and 277,649,154.05 is: 383,155,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,598,493.94 : 707,385,945.29 = 277,649,154.05 : x
  2. Step 2: Convert to fraction form
    512,598,493.94/707,385,945.29 = 277,649,154.05/x
  3. Step 3: Cross multiply
    512,598,493.94x = 707,385,945.29 × 277,649,154.05
  4. Step 4: Simplify right side
    512,598,493.94x = 196,405,109,291,702,912
  5. Step 5: Solve for x
    x = 196,405,109,291,702,912/512,598,493.94
  6. Step 6: Final answer
    x = 383,155,845.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.