Home / 371,502,342,376.70-512,665,196,990.60-215,079,130,802.43

Finding the Fourth Proportional to 371,502,342,376.70, 512,665,196,990.60 and 215,079,130,802.43

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Solution

The fourth proportional to 371,502,342,376.70, 512,665,196,990.60 and 215,079,130,802.43 is: 296,804,548,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,502,342,376.70 : 512,665,196,990.60 = 215,079,130,802.43 : x
  2. Step 2: Convert to fraction form
    371,502,342,376.70/512,665,196,990.60 = 215,079,130,802.43/x
  3. Step 3: Cross multiply
    371,502,342,376.70x = 512,665,196,990.60 × 215,079,130,802.43
  4. Step 4: Simplify right side
    371,502,342,376.70x = 110,263,584,961,394,785,648,640
  5. Step 5: Solve for x
    x = 110,263,584,961,394,785,648,640/371,502,342,376.70
  6. Step 6: Final answer
    x = 296,804,548,407.37

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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.