Home / 359,704,756.46-496,421,403.86-285,973,794.65

Finding the Fourth Proportional to 359,704,756.46, 496,421,403.86 and 285,973,794.65

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Solution

The fourth proportional to 359,704,756.46, 496,421,403.86 and 285,973,794.65 is: 394,666,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,704,756.46 : 496,421,403.86 = 285,973,794.65 : x
  2. Step 2: Convert to fraction form
    359,704,756.46/496,421,403.86 = 285,973,794.65/x
  3. Step 3: Cross multiply
    359,704,756.46x = 496,421,403.86 × 285,973,794.65
  4. Step 4: Simplify right side
    359,704,756.46x = 141,963,512,606,278,224
  5. Step 5: Solve for x
    x = 141,963,512,606,278,224/359,704,756.46
  6. Step 6: Final answer
    x = 394,666,765.05

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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.