Home / 616,993,653.29-851,466,907.62-338,535,103.01

Finding the Fourth Proportional to 616,993,653.29, 851,466,907.62 and 338,535,103.01

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Solution

The fourth proportional to 616,993,653.29, 851,466,907.62 and 338,535,103.01 is: 467,187,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,993,653.29 : 851,466,907.62 = 338,535,103.01 : x
  2. Step 2: Convert to fraction form
    616,993,653.29/851,466,907.62 = 338,535,103.01/x
  3. Step 3: Cross multiply
    616,993,653.29x = 851,466,907.62 × 338,535,103.01
  4. Step 4: Simplify right side
    616,993,653.29x = 288,251,437,276,485,504
  5. Step 5: Solve for x
    x = 288,251,437,276,485,504/616,993,653.29
  6. Step 6: Final answer
    x = 467,187,037.89

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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.