Home / 349,140,768.65-523,118,509.99-210,675,439.88

Finding the Fourth Proportional to 349,140,768.65, 523,118,509.99 and 210,675,439.88

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Solution

The fourth proportional to 349,140,768.65, 523,118,509.99 and 210,675,439.88 is: 315,655,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,140,768.65 : 523,118,509.99 = 210,675,439.88 : x
  2. Step 2: Convert to fraction form
    349,140,768.65/523,118,509.99 = 210,675,439.88/x
  3. Step 3: Cross multiply
    349,140,768.65x = 523,118,509.99 × 210,675,439.88
  4. Step 4: Simplify right side
    349,140,768.65x = 110,208,222,198,371,152
  5. Step 5: Solve for x
    x = 110,208,222,198,371,152/349,140,768.65
  6. Step 6: Final answer
    x = 315,655,552.42

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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.