Home / 616,987,135.38-851,457,914.61-338,528,585.10

Finding the Fourth Proportional to 616,987,135.38, 851,457,914.61 and 338,528,585.10

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Solution

The fourth proportional to 616,987,135.38, 851,457,914.61 and 338,528,585.10 is: 467,178,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,987,135.38 : 851,457,914.61 = 338,528,585.10 : x
  2. Step 2: Convert to fraction form
    616,987,135.38/851,457,914.61 = 338,528,585.10/x
  3. Step 3: Cross multiply
    616,987,135.38x = 851,457,914.61 × 338,528,585.10
  4. Step 4: Simplify right side
    616,987,135.38x = 288,242,843,105,119,936
  5. Step 5: Solve for x
    x = 288,242,843,105,119,936/616,987,135.38
  6. Step 6: Final answer
    x = 467,178,044.04

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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.