Home / 381,226,051.80-571,839,077.70-264,999,905.10

Finding the Fourth Proportional to 381,226,051.80, 571,839,077.70 and 264,999,905.10

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Solution

The fourth proportional to 381,226,051.80, 571,839,077.70 and 264,999,905.10 is: 397,499,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,226,051.80 : 571,839,077.70 = 264,999,905.10 : x
  2. Step 2: Convert to fraction form
    381,226,051.80/571,839,077.70 = 264,999,905.10/x
  3. Step 3: Cross multiply
    381,226,051.80x = 571,839,077.70 × 264,999,905.10
  4. Step 4: Simplify right side
    381,226,051.80x = 151,537,301,322,971,520
  5. Step 5: Solve for x
    x = 151,537,301,322,971,520/381,226,051.80
  6. Step 6: Final answer
    x = 397,499,857.65

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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.