Home / 358,947,478.98-495,346,541.90-200,177,774.37

Finding the Fourth Proportional to 358,947,478.98, 495,346,541.90 and 200,177,774.37

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Solution

The fourth proportional to 358,947,478.98, 495,346,541.90 and 200,177,774.37 is: 276,244,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,947,478.98 : 495,346,541.90 = 200,177,774.37 : x
  2. Step 2: Convert to fraction form
    358,947,478.98/495,346,541.90 = 200,177,774.37/x
  3. Step 3: Cross multiply
    358,947,478.98x = 495,346,541.90 × 200,177,774.37
  4. Step 4: Simplify right side
    358,947,478.98x = 99,157,368,299,417,952
  5. Step 5: Solve for x
    x = 99,157,368,299,417,952/358,947,478.98
  6. Step 6: Final answer
    x = 276,244,782.61

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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.