Home / 12,717,971,743.89-19,079,802,860.92-3,875,502,645.93

Finding the Fourth Proportional to 12,717,971,743.89, 19,079,802,860.92 and 3,875,502,645.93

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Solution

The fourth proportional to 12,717,971,743.89, 19,079,802,860.92 and 3,875,502,645.93 is: 5,814,120,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717,971,743.89 : 19,079,802,860.92 = 3,875,502,645.93 : x
  2. Step 2: Convert to fraction form
    12,717,971,743.89/19,079,802,860.92 = 3,875,502,645.93/x
  3. Step 3: Cross multiply
    12,717,971,743.89x = 19,079,802,860.92 × 3,875,502,645.93
  4. Step 4: Simplify right side
    12,717,971,743.89x = 73,943,826,471,298,859,008
  5. Step 5: Solve for x
    x = 73,943,826,471,298,859,008/12,717,971,743.89
  6. Step 6: Final answer
    x = 5,814,120,990.39

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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.