Home / 18,551,838,400.10-27,827,757,600.15-9,705,258,937.70

Finding the Fourth Proportional to 18,551,838,400.10, 27,827,757,600.15 and 9,705,258,937.70

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Solution

The fourth proportional to 18,551,838,400.10, 27,827,757,600.15 and 9,705,258,937.70 is: 14,557,888,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,838,400.10 : 27,827,757,600.15 = 9,705,258,937.70 : x
  2. Step 2: Convert to fraction form
    18,551,838,400.10/27,827,757,600.15 = 9,705,258,937.70/x
  3. Step 3: Cross multiply
    18,551,838,400.10x = 27,827,757,600.15 × 9,705,258,937.70
  4. Step 4: Simplify right side
    18,551,838,400.10x = 270,075,593,165,004,931,072
  5. Step 5: Solve for x
    x = 270,075,593,165,004,931,072/18,551,838,400.10
  6. Step 6: Final answer
    x = 14,557,888,406.55

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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.