Home / 356,405,819.77-491,831,252.40-197,635,065.40

Finding the Fourth Proportional to 356,405,819.77, 491,831,252.40 and 197,635,065.40

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Solution

The fourth proportional to 356,405,819.77, 491,831,252.40 and 197,635,065.40 is: 272,731,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,405,819.77 : 491,831,252.40 = 197,635,065.40 : x
  2. Step 2: Convert to fraction form
    356,405,819.77/491,831,252.40 = 197,635,065.40/x
  3. Step 3: Cross multiply
    356,405,819.77x = 491,831,252.40 × 197,635,065.40
  4. Step 4: Simplify right side
    356,405,819.77x = 97,203,101,733,837,904
  5. Step 5: Solve for x
    x = 97,203,101,733,837,904/356,405,819.77
  6. Step 6: Final answer
    x = 272,731,522.16

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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.