Home / 2,578,878,999.81-3,558,865,071.69-1,465,106,209.65

Finding the Fourth Proportional to 2,578,878,999.81, 3,558,865,071.69 and 1,465,106,209.65

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Solution

The fourth proportional to 2,578,878,999.81, 3,558,865,071.69 and 1,465,106,209.65 is: 2,021,853,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,878,999.81 : 3,558,865,071.69 = 1,465,106,209.65 : x
  2. Step 2: Convert to fraction form
    2,578,878,999.81/3,558,865,071.69 = 1,465,106,209.65/x
  3. Step 3: Cross multiply
    2,578,878,999.81x = 3,558,865,071.69 × 1,465,106,209.65
  4. Step 4: Simplify right side
    2,578,878,999.81x = 5,214,115,315,839,511,552
  5. Step 5: Solve for x
    x = 5,214,115,315,839,511,552/2,578,878,999.81
  6. Step 6: Final answer
    x = 2,021,853,416.24

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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.