Home / 21,721,459,386.62-32,564,606,338.31-6,790,939,619.48

Finding the Fourth Proportional to 21,721,459,386.62, 32,564,606,338.31 and 6,790,939,619.48

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Solution

The fourth proportional to 21,721,459,386.62, 32,564,606,338.31 and 6,790,939,619.48 is: 10,180,912,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721,459,386.62 : 32,564,606,338.31 = 6,790,939,619.48 : x
  2. Step 2: Convert to fraction form
    21,721,459,386.62/32,564,606,338.31 = 6,790,939,619.48/x
  3. Step 3: Cross multiply
    21,721,459,386.62x = 32,564,606,338.31 × 6,790,939,619.48
  4. Step 4: Simplify right side
    21,721,459,386.62x = 221,144,275,375,646,375,936
  5. Step 5: Solve for x
    x = 221,144,275,375,646,375,936/21,721,459,386.62
  6. Step 6: Final answer
    x = 10,180,912,407.38

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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.