Home / 1,099,963,790.73-1,521,947,213.46-959,128,687.35

Finding the Fourth Proportional to 1,099,963,790.73, 1,521,947,213.46 and 959,128,687.35

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Solution

The fourth proportional to 1,099,963,790.73, 1,521,947,213.46 and 959,128,687.35 is: 1,327,082,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,963,790.73 : 1,521,947,213.46 = 959,128,687.35 : x
  2. Step 2: Convert to fraction form
    1,099,963,790.73/1,521,947,213.46 = 959,128,687.35/x
  3. Step 3: Cross multiply
    1,099,963,790.73x = 1,521,947,213.46 × 959,128,687.35
  4. Step 4: Simplify right side
    1,099,963,790.73x = 1,459,743,233,061,880,064
  5. Step 5: Solve for x
    x = 1,459,743,233,061,880,064/1,099,963,790.73
  6. Step 6: Final answer
    x = 1,327,082,987.06

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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.