Home / 21,721,459,389.62-32,564,606,342.81-6,790,939,622.48

Finding the Fourth Proportional to 21,721,459,389.62, 32,564,606,342.81 and 6,790,939,622.48

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Solution

The fourth proportional to 21,721,459,389.62, 32,564,606,342.81 and 6,790,939,622.48 is: 10,180,912,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721,459,389.62 : 32,564,606,342.81 = 6,790,939,622.48 : x
  2. Step 2: Convert to fraction form
    21,721,459,389.62/32,564,606,342.81 = 6,790,939,622.48/x
  3. Step 3: Cross multiply
    21,721,459,389.62x = 32,564,606,342.81 × 6,790,939,622.48
  4. Step 4: Simplify right side
    21,721,459,389.62x = 221,144,275,503,899,410,432
  5. Step 5: Solve for x
    x = 221,144,275,503,899,410,432/21,721,459,389.62
  6. Step 6: Final answer
    x = 10,180,912,411.88

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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.