Home / 638,252,468.20-957,378,702.30-249,946,244.20

Finding the Fourth Proportional to 638,252,468.20, 957,378,702.30 and 249,946,244.20

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Solution

The fourth proportional to 638,252,468.20, 957,378,702.30 and 249,946,244.20 is: 374,919,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,252,468.20 : 957,378,702.30 = 249,946,244.20 : x
  2. Step 2: Convert to fraction form
    638,252,468.20/957,378,702.30 = 249,946,244.20/x
  3. Step 3: Cross multiply
    638,252,468.20x = 957,378,702.30 × 249,946,244.20
  4. Step 4: Simplify right side
    638,252,468.20x = 239,293,210,916,954,880
  5. Step 5: Solve for x
    x = 239,293,210,916,954,880/638,252,468.20
  6. Step 6: Final answer
    x = 374,919,366.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.