Home / 385,480,693.68-577,001,217.24-247,121,392.56

Finding the Fourth Proportional to 385,480,693.68, 577,001,217.24 and 247,121,392.56

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Solution

The fourth proportional to 385,480,693.68, 577,001,217.24 and 247,121,392.56 is: 369,900,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,480,693.68 : 577,001,217.24 = 247,121,392.56 : x
  2. Step 2: Convert to fraction form
    385,480,693.68/577,001,217.24 = 247,121,392.56/x
  3. Step 3: Cross multiply
    385,480,693.68x = 577,001,217.24 × 247,121,392.56
  4. Step 4: Simplify right side
    385,480,693.68x = 142,589,344,313,163,888
  5. Step 5: Solve for x
    x = 142,589,344,313,163,888/385,480,693.68
  6. Step 6: Final answer
    x = 369,900,092.67

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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.