Home / 616,987,134.87-851,457,913.94-338,528,584.59

Finding the Fourth Proportional to 616,987,134.87, 851,457,913.94 and 338,528,584.59

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Solution

The fourth proportional to 616,987,134.87, 851,457,913.94 and 338,528,584.59 is: 467,178,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,987,134.87 : 851,457,913.94 = 338,528,584.59 : x
  2. Step 2: Convert to fraction form
    616,987,134.87/851,457,913.94 = 338,528,584.59/x
  3. Step 3: Cross multiply
    616,987,134.87x = 851,457,913.94 × 338,528,584.59
  4. Step 4: Simplify right side
    616,987,134.87x = 288,242,842,444,062,208
  5. Step 5: Solve for x
    x = 288,242,842,444,062,208/616,987,134.87
  6. Step 6: Final answer
    x = 467,178,043.36

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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.