Home / 502,278,781.16-693,183,537.03-301,343,217.18

Finding the Fourth Proportional to 502,278,781.16, 693,183,537.03 and 301,343,217.18

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Solution

The fourth proportional to 502,278,781.16, 693,183,537.03 and 301,343,217.18 is: 415,876,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,278,781.16 : 693,183,537.03 = 301,343,217.18 : x
  2. Step 2: Convert to fraction form
    502,278,781.16/693,183,537.03 = 301,343,217.18/x
  3. Step 3: Cross multiply
    502,278,781.16x = 693,183,537.03 × 301,343,217.18
  4. Step 4: Simplify right side
    502,278,781.16x = 208,886,157,144,831,872
  5. Step 5: Solve for x
    x = 208,886,157,144,831,872/502,278,781.16
  6. Step 6: Final answer
    x = 415,876,929.27

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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.