Home / 29,285,314,490.09-40,372,881,407.51-19,641,767,773.55

Finding the Fourth Proportional to 29,285,314,490.09, 40,372,881,407.51 and 19,641,767,773.55

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Solution

The fourth proportional to 29,285,314,490.09, 40,372,881,407.51 and 19,641,767,773.55 is: 27,078,239,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285,314,490.09 : 40,372,881,407.51 = 19,641,767,773.55 : x
  2. Step 2: Convert to fraction form
    29,285,314,490.09/40,372,881,407.51 = 19,641,767,773.55/x
  3. Step 3: Cross multiply
    29,285,314,490.09x = 40,372,881,407.51 × 19,641,767,773.55
  4. Step 4: Simplify right side
    29,285,314,490.09x = 792,994,760,955,085,717,504
  5. Step 5: Solve for x
    x = 792,994,760,955,085,717,504/29,285,314,490.09
  6. Step 6: Final answer
    x = 27,078,239,546.43

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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.