Home / 73,781,348,947.40-101,818,309,589.62-39,948,666,974.84

Finding the Fourth Proportional to 73,781,348,947.40, 101,818,309,589.62 and 39,948,666,974.84

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Solution

The fourth proportional to 73,781,348,947.40, 101,818,309,589.62 and 39,948,666,974.84 is: 55,129,186,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,781,348,947.40 : 101,818,309,589.62 = 39,948,666,974.84 : x
  2. Step 2: Convert to fraction form
    73,781,348,947.40/101,818,309,589.62 = 39,948,666,974.84/x
  3. Step 3: Cross multiply
    73,781,348,947.40x = 101,818,309,589.62 × 39,948,666,974.84
  4. Step 4: Simplify right side
    73,781,348,947.40x = 4,067,505,741,736,886,927,360
  5. Step 5: Solve for x
    x = 4,067,505,741,736,886,927,360/73,781,348,947.40
  6. Step 6: Final answer
    x = 55,129,186,437.57

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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.