Home / 663,997,949.64-996,341,617.53-270,813,232.58

Finding the Fourth Proportional to 663,997,949.64, 996,341,617.53 and 270,813,232.58

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Solution

The fourth proportional to 663,997,949.64, 996,341,617.53 and 270,813,232.58 is: 406,360,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,997,949.64 : 996,341,617.53 = 270,813,232.58 : x
  2. Step 2: Convert to fraction form
    663,997,949.64/996,341,617.53 = 270,813,232.58/x
  3. Step 3: Cross multiply
    663,997,949.64x = 996,341,617.53 × 270,813,232.58
  4. Step 4: Simplify right side
    663,997,949.64x = 269,822,494,197,285,280
  5. Step 5: Solve for x
    x = 269,822,494,197,285,280/663,997,949.64
  6. Step 6: Final answer
    x = 406,360,432.80

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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.