Home / 644,933,687.63-967,390,809.88-290,157,424.92

Finding the Fourth Proportional to 644,933,687.63, 967,390,809.88 and 290,157,424.92

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Solution

The fourth proportional to 644,933,687.63, 967,390,809.88 and 290,157,424.92 is: 435,231,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,933,687.63 : 967,390,809.88 = 290,157,424.92 : x
  2. Step 2: Convert to fraction form
    644,933,687.63/967,390,809.88 = 290,157,424.92/x
  3. Step 3: Cross multiply
    644,933,687.63x = 967,390,809.88 × 290,157,424.92
  4. Step 4: Simplify right side
    644,933,687.63x = 280,695,626,286,054,112
  5. Step 5: Solve for x
    x = 280,695,626,286,054,112/644,933,687.63
  6. Step 6: Final answer
    x = 435,231,763.62

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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.