Home / 354,964,298.22-534,869,340.17-291,685,618.35

Finding the Fourth Proportional to 354,964,298.22, 534,869,340.17 and 291,685,618.35

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Solution

The fourth proportional to 354,964,298.22, 534,869,340.17 and 291,685,618.35 is: 439,519,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,964,298.22 : 534,869,340.17 = 291,685,618.35 : x
  2. Step 2: Convert to fraction form
    354,964,298.22/534,869,340.17 = 291,685,618.35/x
  3. Step 3: Cross multiply
    354,964,298.22x = 534,869,340.17 × 291,685,618.35
  4. Step 4: Simplify right side
    354,964,298.22x = 156,013,694,222,484,544
  5. Step 5: Solve for x
    x = 156,013,694,222,484,544/354,964,298.22
  6. Step 6: Final answer
    x = 439,519,396.75

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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.