Home / 359,704,757.21-496,421,404.89-285,973,795.40

Finding the Fourth Proportional to 359,704,757.21, 496,421,404.89 and 285,973,795.40

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Solution

The fourth proportional to 359,704,757.21, 496,421,404.89 and 285,973,795.40 is: 394,666,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,704,757.21 : 496,421,404.89 = 285,973,795.40 : x
  2. Step 2: Convert to fraction form
    359,704,757.21/496,421,404.89 = 285,973,795.40/x
  3. Step 3: Cross multiply
    359,704,757.21x = 496,421,404.89 × 285,973,795.40
  4. Step 4: Simplify right side
    359,704,757.21x = 141,963,513,275,434,448
  5. Step 5: Solve for x
    x = 141,963,513,275,434,448/359,704,757.21
  6. Step 6: Final answer
    x = 394,666,766.09

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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.