Home / 825,987,603-1,238,973,006.06-212,569,444.92

Finding the Fourth Proportional to 825,987,603, 1,238,973,006.06 and 212,569,444.92

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Solution

The fourth proportional to 825,987,603, 1,238,973,006.06 and 212,569,444.92 is: 318,852,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,987,603 : 1,238,973,006.06 = 212,569,444.92 : x
  2. Step 2: Convert to fraction form
    825,987,603/1,238,973,006.06 = 212,569,444.92/x
  3. Step 3: Cross multiply
    825,987,603x = 1,238,973,006.06 × 212,569,444.92
  4. Step 4: Simplify right side
    825,987,603x = 263,367,804,169,037,952
  5. Step 5: Solve for x
    x = 263,367,804,169,037,952/825,987,603
  6. Step 6: Final answer
    x = 318,852,006.03

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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.