Home / 488,965,572.81-733,368,630.51-143,838,485.37

Finding the Fourth Proportional to 488,965,572.81, 733,368,630.51 and 143,838,485.37

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Solution

The fourth proportional to 488,965,572.81, 733,368,630.51 and 143,838,485.37 is: 215,734,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,965,572.81 : 733,368,630.51 = 143,838,485.37 : x
  2. Step 2: Convert to fraction form
    488,965,572.81/733,368,630.51 = 143,838,485.37/x
  3. Step 3: Cross multiply
    488,965,572.81x = 733,368,630.51 × 143,838,485.37
  4. Step 4: Simplify right side
    488,965,572.81x = 105,486,633,030,429,568
  5. Step 5: Solve for x
    x = 105,486,633,030,429,568/488,965,572.81
  6. Step 6: Final answer
    x = 215,734,274.35

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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.