Home / 8,536,171,739.31-11,781,149,182.88-4,918,502,609.57

Finding the Fourth Proportional to 8,536,171,739.31, 11,781,149,182.88 and 4,918,502,609.57

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Solution

The fourth proportional to 8,536,171,739.31, 11,781,149,182.88 and 4,918,502,609.57 is: 6,788,243,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536,171,739.31 : 11,781,149,182.88 = 4,918,502,609.57 : x
  2. Step 2: Convert to fraction form
    8,536,171,739.31/11,781,149,182.88 = 4,918,502,609.57/x
  3. Step 3: Cross multiply
    8,536,171,739.31x = 11,781,149,182.88 × 4,918,502,609.57
  4. Step 4: Simplify right side
    8,536,171,739.31x = 57,945,612,999,734,796,288
  5. Step 5: Solve for x
    x = 57,945,612,999,734,796,288/8,536,171,739.31
  6. Step 6: Final answer
    x = 6,788,243,579.13

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1.5x scale

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.