Home / 458,082,848.94-687,769,974.09-328,619,884.74

Finding the Fourth Proportional to 458,082,848.94, 687,769,974.09 and 328,619,884.74

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Solution

The fourth proportional to 458,082,848.94, 687,769,974.09 and 328,619,884.74 is: 493,393,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,082,848.94 : 687,769,974.09 = 328,619,884.74 : x
  2. Step 2: Convert to fraction form
    458,082,848.94/687,769,974.09 = 328,619,884.74/x
  3. Step 3: Cross multiply
    458,082,848.94x = 687,769,974.09 × 328,619,884.74
  4. Step 4: Simplify right side
    458,082,848.94x = 226,014,889,613,088,608
  5. Step 5: Solve for x
    x = 226,014,889,613,088,608/458,082,848.94
  6. Step 6: Final answer
    x = 493,393,040.44

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1.5x scale

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.