Home / 405,327,411.82-559,403,631.04-226,721,225.98

Finding the Fourth Proportional to 405,327,411.82, 559,403,631.04 and 226,721,225.98

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Solution

The fourth proportional to 405,327,411.82, 559,403,631.04 and 226,721,225.98 is: 312,904,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,327,411.82 : 559,403,631.04 = 226,721,225.98 : x
  2. Step 2: Convert to fraction form
    405,327,411.82/559,403,631.04 = 226,721,225.98/x
  3. Step 3: Cross multiply
    405,327,411.82x = 559,403,631.04 × 226,721,225.98
  4. Step 4: Simplify right side
    405,327,411.82x = 126,828,677,047,052,368
  5. Step 5: Solve for x
    x = 126,828,677,047,052,368/405,327,411.82
  6. Step 6: Final answer
    x = 312,904,267.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.