Home / 358,947,479.48-495,346,542.59-200,177,774.87

Finding the Fourth Proportional to 358,947,479.48, 495,346,542.59 and 200,177,774.87

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Solution

The fourth proportional to 358,947,479.48, 495,346,542.59 and 200,177,774.87 is: 276,244,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,947,479.48 : 495,346,542.59 = 200,177,774.87 : x
  2. Step 2: Convert to fraction form
    358,947,479.48/495,346,542.59 = 200,177,774.87/x
  3. Step 3: Cross multiply
    358,947,479.48x = 495,346,542.59 × 200,177,774.87
  4. Step 4: Simplify right side
    358,947,479.48x = 99,157,368,685,213,888
  5. Step 5: Solve for x
    x = 99,157,368,685,213,888/358,947,479.48
  6. Step 6: Final answer
    x = 276,244,783.30

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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.