Home / 38,536,438,795.91-53,175,972,273.01-21,390,014,868.56

Finding the Fourth Proportional to 38,536,438,795.91, 53,175,972,273.01 and 21,390,014,868.56

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Solution

The fourth proportional to 38,536,438,795.91, 53,175,972,273.01 and 21,390,014,868.56 is: 29,515,826,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536,438,795.91 : 53,175,972,273.01 = 21,390,014,868.56 : x
  2. Step 2: Convert to fraction form
    38,536,438,795.91/53,175,972,273.01 = 21,390,014,868.56/x
  3. Step 3: Cross multiply
    38,536,438,795.91x = 53,175,972,273.01 × 21,390,014,868.56
  4. Step 4: Simplify right side
    38,536,438,795.91x = 1,137,434,837,569,818,329,088
  5. Step 5: Solve for x
    x = 1,137,434,837,569,818,329,088/38,536,438,795.91
  6. Step 6: Final answer
    x = 29,515,826,399.88

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Double scale
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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.