Home / 2,213,444,906.81-3,054,551,382.85-1,209,869,065.21

Finding the Fourth Proportional to 2,213,444,906.81, 3,054,551,382.85 and 1,209,869,065.21

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Solution

The fourth proportional to 2,213,444,906.81, 3,054,551,382.85 and 1,209,869,065.21 is: 1,669,617,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,444,906.81 : 3,054,551,382.85 = 1,209,869,065.21 : x
  2. Step 2: Convert to fraction form
    2,213,444,906.81/3,054,551,382.85 = 1,209,869,065.21/x
  3. Step 3: Cross multiply
    2,213,444,906.81x = 3,054,551,382.85 × 1,209,869,065.21
  4. Step 4: Simplify right side
    2,213,444,906.81x = 3,695,607,226,193,980,928
  5. Step 5: Solve for x
    x = 3,695,607,226,193,980,928/2,213,444,906.81
  6. Step 6: Final answer
    x = 1,669,617,895.08

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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.