Home / 591,289,406.64-815,984,665.65-326,989,180.80

Finding the Fourth Proportional to 591,289,406.64, 815,984,665.65 and 326,989,180.80

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Solution

The fourth proportional to 591,289,406.64, 815,984,665.65 and 326,989,180.80 is: 451,247,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,289,406.64 : 815,984,665.65 = 326,989,180.80 : x
  2. Step 2: Convert to fraction form
    591,289,406.64/815,984,665.65 = 326,989,180.80/x
  3. Step 3: Cross multiply
    591,289,406.64x = 815,984,665.65 × 326,989,180.80
  4. Step 4: Simplify right side
    591,289,406.64x = 266,818,157,366,255,392
  5. Step 5: Solve for x
    x = 266,818,157,366,255,392/591,289,406.64
  6. Step 6: Final answer
    x = 451,247,991.88

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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.