Home / 666,172,545.93-919,314,741.08-364,752,380.72

Finding the Fourth Proportional to 666,172,545.93, 919,314,741.08 and 364,752,380.72

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Solution

The fourth proportional to 666,172,545.93, 919,314,741.08 and 364,752,380.72 is: 503,356,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,172,545.93 : 919,314,741.08 = 364,752,380.72 : x
  2. Step 2: Convert to fraction form
    666,172,545.93/919,314,741.08 = 364,752,380.72/x
  3. Step 3: Cross multiply
    666,172,545.93x = 919,314,741.08 × 364,752,380.72
  4. Step 4: Simplify right side
    666,172,545.93x = 335,322,240,440,394,944
  5. Step 5: Solve for x
    x = 335,322,240,440,394,944/666,172,545.93
  6. Step 6: Final answer
    x = 503,356,438.94

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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.