Home / 287,794,570,703.67-431,006,558,855.94-166,527,560,031.58

Finding the Fourth Proportional to 287,794,570,703.67, 431,006,558,855.94 and 166,527,560,031.58

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Solution

The fourth proportional to 287,794,570,703.67, 431,006,558,855.94 and 166,527,560,031.58 is: 249,394,804,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,794,570,703.67 : 431,006,558,855.94 = 166,527,560,031.58 : x
  2. Step 2: Convert to fraction form
    287,794,570,703.67/431,006,558,855.94 = 166,527,560,031.58/x
  3. Step 3: Cross multiply
    287,794,570,703.67x = 431,006,558,855.94 × 166,527,560,031.58
  4. Step 4: Simplify right side
    287,794,570,703.67x = 71,774,470,603,887,263,875,072
  5. Step 5: Solve for x
    x = 71,774,470,603,887,263,875,072/287,794,570,703.67
  6. Step 6: Final answer
    x = 249,394,804,177.15

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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.