Home / 56,865,372,765.78-78,476,681,195.65-31,490,844,097.56

Finding the Fourth Proportional to 56,865,372,765.78, 78,476,681,195.65 and 31,490,844,097.56

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Solution

The fourth proportional to 56,865,372,765.78, 78,476,681,195.65 and 31,490,844,097.56 is: 43,458,730,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865,372,765.78 : 78,476,681,195.65 = 31,490,844,097.56 : x
  2. Step 2: Convert to fraction form
    56,865,372,765.78/78,476,681,195.65 = 31,490,844,097.56/x
  3. Step 3: Cross multiply
    56,865,372,765.78x = 78,476,681,195.65 × 31,490,844,097.56
  4. Step 4: Simplify right side
    56,865,372,765.78x = 2,471,296,932,826,132,774,912
  5. Step 5: Solve for x
    x = 2,471,296,932,826,132,774,912/56,865,372,765.78
  6. Step 6: Final answer
    x = 43,458,730,904.75

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Double scale
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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.