Home / 1,248,834,368.77-1,873,367,141.57-408,481,883.66

Finding the Fourth Proportional to 1,248,834,368.77, 1,873,367,141.57 and 408,481,883.66

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Solution

The fourth proportional to 1,248,834,368.77, 1,873,367,141.57 and 408,481,883.66 is: 612,760,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,834,368.77 : 1,873,367,141.57 = 408,481,883.66 : x
  2. Step 2: Convert to fraction form
    1,248,834,368.77/1,873,367,141.57 = 408,481,883.66/x
  3. Step 3: Cross multiply
    1,248,834,368.77x = 1,873,367,141.57 × 408,481,883.66
  4. Step 4: Simplify right side
    1,248,834,368.77x = 765,236,538,779,415,936
  5. Step 5: Solve for x
    x = 765,236,538,779,415,936/1,248,834,368.77
  6. Step 6: Final answer
    x = 612,760,633.37

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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.