Home / 1,405,903,213.62-1,940,072,283.74-802,955,299.61

Finding the Fourth Proportional to 1,405,903,213.62, 1,940,072,283.74 and 802,955,299.61

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Solution

The fourth proportional to 1,405,903,213.62, 1,940,072,283.74 and 802,955,299.61 is: 1,108,035,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,903,213.62 : 1,940,072,283.74 = 802,955,299.61 : x
  2. Step 2: Convert to fraction form
    1,405,903,213.62/1,940,072,283.74 = 802,955,299.61/x
  3. Step 3: Cross multiply
    1,405,903,213.62x = 1,940,072,283.74 × 802,955,299.61
  4. Step 4: Simplify right side
    1,405,903,213.62x = 1,557,791,321,862,366,208
  5. Step 5: Solve for x
    x = 1,557,791,321,862,366,208/1,405,903,213.62
  6. Step 6: Final answer
    x = 1,108,035,963.48

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1.5x scale

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.