Home / 7,153,627,848.80-9,872,006,886.24-3,981,743,483.36

Finding the Fourth Proportional to 7,153,627,848.80, 9,872,006,886.24 and 3,981,743,483.36

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Solution

The fourth proportional to 7,153,627,848.80, 9,872,006,886.24 and 3,981,743,483.36 is: 5,494,806,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153,627,848.80 : 9,872,006,886.24 = 3,981,743,483.36 : x
  2. Step 2: Convert to fraction form
    7,153,627,848.80/9,872,006,886.24 = 3,981,743,483.36/x
  3. Step 3: Cross multiply
    7,153,627,848.80x = 9,872,006,886.24 × 3,981,743,483.36
  4. Step 4: Simplify right side
    7,153,627,848.80x = 39,307,799,086,971,166,720
  5. Step 5: Solve for x
    x = 39,307,799,086,971,166,720/7,153,627,848.80
  6. Step 6: Final answer
    x = 5,494,806,260.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.