Home / 438,151,885.34-656,184,492.32-253,530,277.02

Finding the Fourth Proportional to 438,151,885.34, 656,184,492.32 and 253,530,277.02

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Solution

The fourth proportional to 438,151,885.34, 656,184,492.32 and 253,530,277.02 is: 379,691,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,151,885.34 : 656,184,492.32 = 253,530,277.02 : x
  2. Step 2: Convert to fraction form
    438,151,885.34/656,184,492.32 = 253,530,277.02/x
  3. Step 3: Cross multiply
    438,151,885.34x = 656,184,492.32 × 253,530,277.02
  4. Step 4: Simplify right side
    438,151,885.34x = 166,362,636,112,850,048
  5. Step 5: Solve for x
    x = 166,362,636,112,850,048/438,151,885.34
  6. Step 6: Final answer
    x = 379,691,704.36

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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.