Home / 354,964,300.22-534,869,343.18-291,685,620.36

Finding the Fourth Proportional to 354,964,300.22, 534,869,343.18 and 291,685,620.36

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Solution

The fourth proportional to 354,964,300.22, 534,869,343.18 and 291,685,620.36 is: 439,519,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,964,300.22 : 534,869,343.18 = 291,685,620.36 : x
  2. Step 2: Convert to fraction form
    354,964,300.22/534,869,343.18 = 291,685,620.36/x
  3. Step 3: Cross multiply
    354,964,300.22x = 534,869,343.18 × 291,685,620.36
  4. Step 4: Simplify right side
    354,964,300.22x = 156,013,696,177,004,032
  5. Step 5: Solve for x
    x = 156,013,696,177,004,032/354,964,300.22
  6. Step 6: Final answer
    x = 439,519,399.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.