Home / 892,368,408.70-1,338,552,613.05-831,902,232.70

Finding the Fourth Proportional to 892,368,408.70, 1,338,552,613.05 and 831,902,232.70

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Solution

The fourth proportional to 892,368,408.70, 1,338,552,613.05 and 831,902,232.70 is: 1,247,853,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,368,408.70 : 1,338,552,613.05 = 831,902,232.70 : x
  2. Step 2: Convert to fraction form
    892,368,408.70/1,338,552,613.05 = 831,902,232.70/x
  3. Step 3: Cross multiply
    892,368,408.70x = 1,338,552,613.05 × 831,902,232.70
  4. Step 4: Simplify right side
    892,368,408.70x = 1,113,544,907,382,714,240
  5. Step 5: Solve for x
    x = 1,113,544,907,382,714,240/892,368,408.70
  6. Step 6: Final answer
    x = 1,247,853,349.05

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1.5x scale

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.