Home / 535,494,731.40-799,636,067.22-437,321,191.72

Finding the Fourth Proportional to 535,494,731.40, 799,636,067.22 and 437,321,191.72

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Solution

The fourth proportional to 535,494,731.40, 799,636,067.22 and 437,321,191.72 is: 653,036,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,494,731.40 : 799,636,067.22 = 437,321,191.72 : x
  2. Step 2: Convert to fraction form
    535,494,731.40/799,636,067.22 = 437,321,191.72/x
  3. Step 3: Cross multiply
    535,494,731.40x = 799,636,067.22 × 437,321,191.72
  4. Step 4: Simplify right side
    535,494,731.40x = 349,697,797,858,944,448
  5. Step 5: Solve for x
    x = 349,697,797,858,944,448/535,494,731.40
  6. Step 6: Final answer
    x = 653,036,859.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.