Home / 1,350,855,843.76-1,864,200,102.84-778,322,473.72

Finding the Fourth Proportional to 1,350,855,843.76, 1,864,200,102.84 and 778,322,473.72

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Solution

The fourth proportional to 1,350,855,843.76, 1,864,200,102.84 and 778,322,473.72 is: 1,074,095,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,855,843.76 : 1,864,200,102.84 = 778,322,473.72 : x
  2. Step 2: Convert to fraction form
    1,350,855,843.76/1,864,200,102.84 = 778,322,473.72/x
  3. Step 3: Cross multiply
    1,350,855,843.76x = 1,864,200,102.84 × 778,322,473.72
  4. Step 4: Simplify right side
    1,350,855,843.76x = 1,450,948,835,551,507,200
  5. Step 5: Solve for x
    x = 1,450,948,835,551,507,200/1,350,855,843.76
  6. Step 6: Final answer
    x = 1,074,095,983.12

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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.