Home / 18,551,838,400.91-27,827,757,601.37-9,705,258,938.51

Finding the Fourth Proportional to 18,551,838,400.91, 27,827,757,601.37 and 9,705,258,938.51

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Solution

The fourth proportional to 18,551,838,400.91, 27,827,757,601.37 and 9,705,258,938.51 is: 14,557,888,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,838,400.91 : 27,827,757,601.37 = 9,705,258,938.51 : x
  2. Step 2: Convert to fraction form
    18,551,838,400.91/27,827,757,601.37 = 9,705,258,938.51/x
  3. Step 3: Cross multiply
    18,551,838,400.91x = 27,827,757,601.37 × 9,705,258,938.51
  4. Step 4: Simplify right side
    18,551,838,400.91x = 270,075,593,199,484,502,016
  5. Step 5: Solve for x
    x = 270,075,593,199,484,502,016/18,551,838,400.91
  6. Step 6: Final answer
    x = 14,557,888,407.77

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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.