Home / 356,377,218.04-491,801,620.29-197,618,525.43

Finding the Fourth Proportional to 356,377,218.04, 491,801,620.29 and 197,618,525.43

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Solution

The fourth proportional to 356,377,218.04, 491,801,620.29 and 197,618,525.43 is: 272,714,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,377,218.04 : 491,801,620.29 = 197,618,525.43 : x
  2. Step 2: Convert to fraction form
    356,377,218.04/491,801,620.29 = 197,618,525.43/x
  3. Step 3: Cross multiply
    356,377,218.04x = 491,801,620.29 × 197,618,525.43
  4. Step 4: Simplify right side
    356,377,218.04x = 97,189,111,007,081,808
  5. Step 5: Solve for x
    x = 97,189,111,007,081,808/356,377,218.04
  6. Step 6: Final answer
    x = 272,714,152.55

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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.