Home / 427,381,650.08-589,780,889.28-239,209,888

Finding the Fourth Proportional to 427,381,650.08, 589,780,889.28 and 239,209,888

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Solution

The fourth proportional to 427,381,650.08, 589,780,889.28 and 239,209,888 is: 330,106,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,381,650.08 : 589,780,889.28 = 239,209,888 : x
  2. Step 2: Convert to fraction form
    427,381,650.08/589,780,889.28 = 239,209,888/x
  3. Step 3: Cross multiply
    427,381,650.08x = 589,780,889.28 × 239,209,888
  4. Step 4: Simplify right side
    427,381,650.08x = 141,081,420,469,209,200
  5. Step 5: Solve for x
    x = 141,081,420,469,209,200/427,381,650.08
  6. Step 6: Final answer
    x = 330,106,405.93

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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.