Home / 18,551,838,399.17-27,827,757,598.75-9,705,258,936.77

Finding the Fourth Proportional to 18,551,838,399.17, 27,827,757,598.75 and 9,705,258,936.77

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Solution

The fourth proportional to 18,551,838,399.17, 27,827,757,598.75 and 9,705,258,936.77 is: 14,557,888,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,838,399.17 : 27,827,757,598.75 = 9,705,258,936.77 : x
  2. Step 2: Convert to fraction form
    18,551,838,399.17/27,827,757,598.75 = 9,705,258,936.77/x
  3. Step 3: Cross multiply
    18,551,838,399.17x = 27,827,757,598.75 × 9,705,258,936.77
  4. Step 4: Simplify right side
    18,551,838,399.17x = 270,075,593,125,398,544,384
  5. Step 5: Solve for x
    x = 270,075,593,125,398,544,384/18,551,838,399.17
  6. Step 6: Final answer
    x = 14,557,888,405.15

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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.