Home / 618,726,287.14-853,830,437.18-340,267,810.64

Finding the Fourth Proportional to 618,726,287.14, 853,830,437.18 and 340,267,810.64

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Solution

The fourth proportional to 618,726,287.14, 853,830,437.18 and 340,267,810.64 is: 469,563,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,726,287.14 : 853,830,437.18 = 340,267,810.64 : x
  2. Step 2: Convert to fraction form
    618,726,287.14/853,830,437.18 = 340,267,810.64/x
  3. Step 3: Cross multiply
    618,726,287.14x = 853,830,437.18 × 340,267,810.64
  4. Step 4: Simplify right side
    618,726,287.14x = 290,531,013,511,062,144
  5. Step 5: Solve for x
    x = 290,531,013,511,062,144/618,726,287.14
  6. Step 6: Final answer
    x = 469,563,067.79

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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.