Home / 19,398,989,701.40-29,098,362,448.49-10,439,399,347.29

Finding the Fourth Proportional to 19,398,989,701.40, 29,098,362,448.49 and 10,439,399,347.29

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Solution

The fourth proportional to 19,398,989,701.40, 29,098,362,448.49 and 10,439,399,347.29 is: 15,659,033,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398,989,701.40 : 29,098,362,448.49 = 10,439,399,347.29 : x
  2. Step 2: Convert to fraction form
    19,398,989,701.40/29,098,362,448.49 = 10,439,399,347.29/x
  3. Step 3: Cross multiply
    19,398,989,701.40x = 29,098,362,448.49 × 10,439,399,347.29
  4. Step 4: Simplify right side
    19,398,989,701.40x = 303,769,425,951,932,612,608
  5. Step 5: Solve for x
    x = 303,769,425,951,932,612,608/19,398,989,701.40
  6. Step 6: Final answer
    x = 15,659,033,311.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.