Home / 21,721,459,546.77-32,564,606,578.20-6,790,939,779.98

Finding the Fourth Proportional to 21,721,459,546.77, 32,564,606,578.20 and 6,790,939,779.98

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Solution

The fourth proportional to 21,721,459,546.77, 32,564,606,578.20 and 6,790,939,779.98 is: 10,180,912,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,721,459,546.77 : 32,564,606,578.20 = 6,790,939,779.98 : x
  2. Step 2: Convert to fraction form
    21,721,459,546.77/32,564,606,578.20 = 6,790,939,779.98/x
  3. Step 3: Cross multiply
    21,721,459,546.77x = 32,564,606,578.20 × 6,790,939,779.98
  4. Step 4: Simplify right side
    21,721,459,546.77x = 221,144,282,231,133,962,240
  5. Step 5: Solve for x
    x = 221,144,282,231,133,962,240/21,721,459,546.77
  6. Step 6: Final answer
    x = 10,180,912,647.93

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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.