Home / 317,935,894.91-438,687,214.47-185,751,362.30

Finding the Fourth Proportional to 317,935,894.91, 438,687,214.47 and 185,751,362.30

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Solution

The fourth proportional to 317,935,894.91, 438,687,214.47 and 185,751,362.30 is: 256,299,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,935,894.91 : 438,687,214.47 = 185,751,362.30 : x
  2. Step 2: Convert to fraction form
    317,935,894.91/438,687,214.47 = 185,751,362.30/x
  3. Step 3: Cross multiply
    317,935,894.91x = 438,687,214.47 × 185,751,362.30
  4. Step 4: Simplify right side
    317,935,894.91x = 81,486,747,709,201,328
  5. Step 5: Solve for x
    x = 81,486,747,709,201,328/317,935,894.91
  6. Step 6: Final answer
    x = 256,299,301.26

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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.