Home / 371,502,342,377.70-512,665,196,991.98-215,079,130,803.43

Finding the Fourth Proportional to 371,502,342,377.70, 512,665,196,991.98 and 215,079,130,803.43

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Solution

The fourth proportional to 371,502,342,377.70, 512,665,196,991.98 and 215,079,130,803.43 is: 296,804,548,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,502,342,377.70 : 512,665,196,991.98 = 215,079,130,803.43 : x
  2. Step 2: Convert to fraction form
    371,502,342,377.70/512,665,196,991.98 = 215,079,130,803.43/x
  3. Step 3: Cross multiply
    371,502,342,377.70x = 512,665,196,991.98 × 215,079,130,803.43
  4. Step 4: Simplify right side
    371,502,342,377.70x = 110,263,584,962,204,269,543,424
  5. Step 5: Solve for x
    x = 110,263,584,962,204,269,543,424/371,502,342,377.70
  6. Step 6: Final answer
    x = 296,804,548,408.75

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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.