Home / 1,099,281,724.52-1,517,001,666.64-629,473,846.66

Finding the Fourth Proportional to 1,099,281,724.52, 1,517,001,666.64 and 629,473,846.66

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Solution

The fourth proportional to 1,099,281,724.52, 1,517,001,666.64 and 629,473,846.66 is: 868,669,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,281,724.52 : 1,517,001,666.64 = 629,473,846.66 : x
  2. Step 2: Convert to fraction form
    1,099,281,724.52/1,517,001,666.64 = 629,473,846.66/x
  3. Step 3: Cross multiply
    1,099,281,724.52x = 1,517,001,666.64 × 629,473,846.66
  4. Step 4: Simplify right side
    1,099,281,724.52x = 954,912,874,484,145,664
  5. Step 5: Solve for x
    x = 954,912,874,484,145,664/1,099,281,724.52
  6. Step 6: Final answer
    x = 868,669,835.21

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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.