Home / 331,776,254.40-497,664,381.60-305,574,244.80

Finding the Fourth Proportional to 331,776,254.40, 497,664,381.60 and 305,574,244.80

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Solution

The fourth proportional to 331,776,254.40, 497,664,381.60 and 305,574,244.80 is: 458,361,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,254.40 : 497,664,381.60 = 305,574,244.80 : x
  2. Step 2: Convert to fraction form
    331,776,254.40/497,664,381.60 = 305,574,244.80/x
  3. Step 3: Cross multiply
    331,776,254.40x = 497,664,381.60 × 305,574,244.80
  4. Step 4: Simplify right side
    331,776,254.40x = 152,073,417,571,279,040
  5. Step 5: Solve for x
    x = 152,073,417,571,279,040/331,776,254.40
  6. Step 6: Final answer
    x = 458,361,367.20

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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.