Home / 56,865,372,778.50-78,476,681,213.22-31,490,844,110.31

Finding the Fourth Proportional to 56,865,372,778.50, 78,476,681,213.22 and 31,490,844,110.31

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Solution

The fourth proportional to 56,865,372,778.50, 78,476,681,213.22 and 31,490,844,110.31 is: 43,458,730,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865,372,778.50 : 78,476,681,213.22 = 31,490,844,110.31 : x
  2. Step 2: Convert to fraction form
    56,865,372,778.50/78,476,681,213.22 = 31,490,844,110.31/x
  3. Step 3: Cross multiply
    56,865,372,778.50x = 78,476,681,213.22 × 31,490,844,110.31
  4. Step 4: Simplify right side
    56,865,372,778.50x = 2,471,296,934,380,004,442,112
  5. Step 5: Solve for x
    x = 2,471,296,934,380,004,442,112/56,865,372,778.50
  6. Step 6: Final answer
    x = 43,458,730,922.35

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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.