Home / 289,100,709.65-433,124,937.41-258,107,070.53

Finding the Fourth Proportional to 289,100,709.65, 433,124,937.41 and 258,107,070.53

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Solution

The fourth proportional to 289,100,709.65, 433,124,937.41 and 258,107,070.53 is: 386,690,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,100,709.65 : 433,124,937.41 = 258,107,070.53 : x
  2. Step 2: Convert to fraction form
    289,100,709.65/433,124,937.41 = 258,107,070.53/x
  3. Step 3: Cross multiply
    289,100,709.65x = 433,124,937.41 × 258,107,070.53
  4. Step 4: Simplify right side
    289,100,709.65x = 111,792,608,764,928,544
  5. Step 5: Solve for x
    x = 111,792,608,764,928,544/289,100,709.65
  6. Step 6: Final answer
    x = 386,690,883.26

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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.