Home / 317,975,150.74-438,740,843.88-185,790,581.38

Finding the Fourth Proportional to 317,975,150.74, 438,740,843.88 and 185,790,581.38

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Solution

The fourth proportional to 317,975,150.74, 438,740,843.88 and 185,790,581.38 is: 256,353,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,975,150.74 : 438,740,843.88 = 185,790,581.38 : x
  2. Step 2: Convert to fraction form
    317,975,150.74/438,740,843.88 = 185,790,581.38/x
  3. Step 3: Cross multiply
    317,975,150.74x = 438,740,843.88 × 185,790,581.38
  4. Step 4: Simplify right side
    317,975,150.74x = 81,513,916,459,617,008
  5. Step 5: Solve for x
    x = 81,513,916,459,617,008/317,975,150.74
  6. Step 6: Final answer
    x = 256,353,102.66

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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.