Home / 856,106,412.48-1,181,432,895.84-464,965,836.48

Finding the Fourth Proportional to 856,106,412.48, 1,181,432,895.84 and 464,965,836.48

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Solution

The fourth proportional to 856,106,412.48, 1,181,432,895.84 and 464,965,836.48 is: 641,656,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,106,412.48 : 1,181,432,895.84 = 464,965,836.48 : x
  2. Step 2: Convert to fraction form
    856,106,412.48/1,181,432,895.84 = 464,965,836.48/x
  3. Step 3: Cross multiply
    856,106,412.48x = 1,181,432,895.84 × 464,965,836.48
  4. Step 4: Simplify right side
    856,106,412.48x = 549,325,934,659,234,304
  5. Step 5: Solve for x
    x = 549,325,934,659,234,304/856,106,412.48
  6. Step 6: Final answer
    x = 641,656,138.36

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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.