Home / 429,734,964.47-644,601,641.76-134,652,674.03

Finding the Fourth Proportional to 429,734,964.47, 644,601,641.76 and 134,652,674.03

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Solution

The fourth proportional to 429,734,964.47, 644,601,641.76 and 134,652,674.03 is: 201,978,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,734,964.47 : 644,601,641.76 = 134,652,674.03 : x
  2. Step 2: Convert to fraction form
    429,734,964.47/644,601,641.76 = 134,652,674.03/x
  3. Step 3: Cross multiply
    429,734,964.47x = 644,601,641.76 × 134,652,674.03
  4. Step 4: Simplify right side
    429,734,964.47x = 86,797,334,743,889,104
  5. Step 5: Solve for x
    x = 86,797,334,743,889,104/429,734,964.47
  6. Step 6: Final answer
    x = 201,978,758.82

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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.