Home / 7,153,859,215.51-10,732,389,274.42-2,179,970,347.91

Finding the Fourth Proportional to 7,153,859,215.51, 10,732,389,274.42 and 2,179,970,347.91

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Solution

The fourth proportional to 7,153,859,215.51, 10,732,389,274.42 and 2,179,970,347.91 is: 3,270,443,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153,859,215.51 : 10,732,389,274.42 = 2,179,970,347.91 : x
  2. Step 2: Convert to fraction form
    7,153,859,215.51/10,732,389,274.42 = 2,179,970,347.91/x
  3. Step 3: Cross multiply
    7,153,859,215.51x = 10,732,389,274.42 × 2,179,970,347.91
  4. Step 4: Simplify right side
    7,153,859,215.51x = 23,396,290,380,402,720,768
  5. Step 5: Solve for x
    x = 23,396,290,380,402,720,768/7,153,859,215.51
  6. Step 6: Final answer
    x = 3,270,443,221.71

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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.