Home / 2,490,502,159.45-3,436,899,907.04-1,361,485,565.38

Finding the Fourth Proportional to 2,490,502,159.45, 3,436,899,907.04 and 1,361,485,565.38

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Solution

The fourth proportional to 2,490,502,159.45, 3,436,899,907.04 and 1,361,485,565.38 is: 1,878,853,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,502,159.45 : 3,436,899,907.04 = 1,361,485,565.38 : x
  2. Step 2: Convert to fraction form
    2,490,502,159.45/3,436,899,907.04 = 1,361,485,565.38/x
  3. Step 3: Cross multiply
    2,490,502,159.45x = 3,436,899,907.04 × 1,361,485,565.38
  4. Step 4: Simplify right side
    2,490,502,159.45x = 4,679,289,613,085,635,584
  5. Step 5: Solve for x
    x = 4,679,289,613,085,635,584/2,490,502,159.45
  6. Step 6: Final answer
    x = 1,878,853,867.01

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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.