Home / 368,854,080.93-509,019,127.70-212,218,046.33

Finding the Fourth Proportional to 368,854,080.93, 509,019,127.70 and 212,218,046.33

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Solution

The fourth proportional to 368,854,080.93, 509,019,127.70 and 212,218,046.33 is: 292,861,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,854,080.93 : 509,019,127.70 = 212,218,046.33 : x
  2. Step 2: Convert to fraction form
    368,854,080.93/509,019,127.70 = 212,218,046.33/x
  3. Step 3: Cross multiply
    368,854,080.93x = 509,019,127.70 × 212,218,046.33
  4. Step 4: Simplify right side
    368,854,080.93x = 108,023,044,821,488,592
  5. Step 5: Solve for x
    x = 108,023,044,821,488,592/368,854,080.93
  6. Step 6: Final answer
    x = 292,861,189.31

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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.