Home / 305,039,819.60-457,559,729.40-266,776,067.60

Finding the Fourth Proportional to 305,039,819.60, 457,559,729.40 and 266,776,067.60

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Solution

The fourth proportional to 305,039,819.60, 457,559,729.40 and 266,776,067.60 is: 400,164,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,039,819.60 : 457,559,729.40 = 266,776,067.60 : x
  2. Step 2: Convert to fraction form
    305,039,819.60/457,559,729.40 = 266,776,067.60/x
  3. Step 3: Cross multiply
    305,039,819.60x = 457,559,729.40 × 266,776,067.60
  4. Step 4: Simplify right side
    305,039,819.60x = 122,065,985,301,452,096
  5. Step 5: Solve for x
    x = 122,065,985,301,452,096/305,039,819.60
  6. Step 6: Final answer
    x = 400,164,101.40

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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.