Home / 870,016,923.83-1,200,649,337.94-535,682,325.09

Finding the Fourth Proportional to 870,016,923.83, 1,200,649,337.94 and 535,682,325.09

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Solution

The fourth proportional to 870,016,923.83, 1,200,649,337.94 and 535,682,325.09 is: 739,257,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,016,923.83 : 1,200,649,337.94 = 535,682,325.09 : x
  2. Step 2: Convert to fraction form
    870,016,923.83/1,200,649,337.94 = 535,682,325.09/x
  3. Step 3: Cross multiply
    870,016,923.83x = 1,200,649,337.94 × 535,682,325.09
  4. Step 4: Simplify right side
    870,016,923.83x = 643,166,628,965,468,288
  5. Step 5: Solve for x
    x = 643,166,628,965,468,288/870,016,923.83
  6. Step 6: Final answer
    x = 739,257,606.78

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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.