Home / 354,964,299.39-534,869,341.90-291,685,619.52

Finding the Fourth Proportional to 354,964,299.39, 534,869,341.90 and 291,685,619.52

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Solution

The fourth proportional to 354,964,299.39, 534,869,341.90 and 291,685,619.52 is: 439,519,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,964,299.39 : 534,869,341.90 = 291,685,619.52 : x
  2. Step 2: Convert to fraction form
    354,964,299.39/534,869,341.90 = 291,685,619.52/x
  3. Step 3: Cross multiply
    354,964,299.39x = 534,869,341.90 × 291,685,619.52
  4. Step 4: Simplify right side
    354,964,299.39x = 156,013,695,353,626,976
  5. Step 5: Solve for x
    x = 156,013,695,353,626,976/354,964,299.39
  6. Step 6: Final answer
    x = 439,519,398.49

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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.