Home / 38,702,388,123.06-53,380,780,947.45-29,187,340,913.22

Finding the Fourth Proportional to 38,702,388,123.06, 53,380,780,947.45 and 29,187,340,913.22

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Solution

The fourth proportional to 38,702,388,123.06, 53,380,780,947.45 and 29,187,340,913.22 is: 40,257,026,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702,388,123.06 : 53,380,780,947.45 = 29,187,340,913.22 : x
  2. Step 2: Convert to fraction form
    38,702,388,123.06/53,380,780,947.45 = 29,187,340,913.22/x
  3. Step 3: Cross multiply
    38,702,388,123.06x = 53,380,780,947.45 × 29,187,340,913.22
  4. Step 4: Simplify right side
    38,702,388,123.06x = 1,558,043,051,727,141,994,496
  5. Step 5: Solve for x
    x = 1,558,043,051,727,141,994,496/38,702,388,123.06
  6. Step 6: Final answer
    x = 40,257,026,175.57

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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.