Home / 354,303,863.40-531,455,795.10-304,986,138.60

Finding the Fourth Proportional to 354,303,863.40, 531,455,795.10 and 304,986,138.60

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Solution

The fourth proportional to 354,303,863.40, 531,455,795.10 and 304,986,138.60 is: 457,479,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,303,863.40 : 531,455,795.10 = 304,986,138.60 : x
  2. Step 2: Convert to fraction form
    354,303,863.40/531,455,795.10 = 304,986,138.60/x
  3. Step 3: Cross multiply
    354,303,863.40x = 531,455,795.10 × 304,986,138.60
  4. Step 4: Simplify right side
    354,303,863.40x = 162,086,650,784,141,824
  5. Step 5: Solve for x
    x = 162,086,650,784,141,824/354,303,863.40
  6. Step 6: Final answer
    x = 457,479,207.90

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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.