Home / 404,485,056.10-606,727,584.15-400,453,977.70

Finding the Fourth Proportional to 404,485,056.10, 606,727,584.15 and 400,453,977.70

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Solution

The fourth proportional to 404,485,056.10, 606,727,584.15 and 400,453,977.70 is: 600,680,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,485,056.10 : 606,727,584.15 = 400,453,977.70 : x
  2. Step 2: Convert to fraction form
    404,485,056.10/606,727,584.15 = 400,453,977.70/x
  3. Step 3: Cross multiply
    404,485,056.10x = 606,727,584.15 × 400,453,977.70
  4. Step 4: Simplify right side
    404,485,056.10x = 242,966,474,453,178,944
  5. Step 5: Solve for x
    x = 242,966,474,453,178,944/404,485,056.10
  6. Step 6: Final answer
    x = 600,680,966.55

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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.