Home / 21,583,834,847.17-29,783,693,212.63-11,938,357,219.98

Finding the Fourth Proportional to 21,583,834,847.17, 29,783,693,212.63 and 11,938,357,219.98

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Solution

The fourth proportional to 21,583,834,847.17, 29,783,693,212.63 and 11,938,357,219.98 is: 16,473,827,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583,834,847.17 : 29,783,693,212.63 = 11,938,357,219.98 : x
  2. Step 2: Convert to fraction form
    21,583,834,847.17/29,783,693,212.63 = 11,938,357,219.98/x
  3. Step 3: Cross multiply
    21,583,834,847.17x = 29,783,693,212.63 × 11,938,357,219.98
  4. Step 4: Simplify right side
    21,583,834,847.17x = 355,568,368,902,670,712,832
  5. Step 5: Solve for x
    x = 355,568,368,902,670,712,832/21,583,834,847.17
  6. Step 6: Final answer
    x = 16,473,827,353.68

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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.