Home / 1,145,378,701.80-1,718,068,052.70-455,285,955.77

Finding the Fourth Proportional to 1,145,378,701.80, 1,718,068,052.70 and 455,285,955.77

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Solution

The fourth proportional to 1,145,378,701.80, 1,718,068,052.70 and 455,285,955.77 is: 682,928,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,378,701.80 : 1,718,068,052.70 = 455,285,955.77 : x
  2. Step 2: Convert to fraction form
    1,145,378,701.80/1,718,068,052.70 = 455,285,955.77/x
  3. Step 3: Cross multiply
    1,145,378,701.80x = 1,718,068,052.70 × 455,285,955.77
  4. Step 4: Simplify right side
    1,145,378,701.80x = 782,212,255,449,274,624
  5. Step 5: Solve for x
    x = 782,212,255,449,274,624/1,145,378,701.80
  6. Step 6: Final answer
    x = 682,928,933.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.