Home / 640,592,003.10-960,888,004.65-368,494,211.10

Finding the Fourth Proportional to 640,592,003.10, 960,888,004.65 and 368,494,211.10

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Solution

The fourth proportional to 640,592,003.10, 960,888,004.65 and 368,494,211.10 is: 552,741,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,592,003.10 : 960,888,004.65 = 368,494,211.10 : x
  2. Step 2: Convert to fraction form
    640,592,003.10/960,888,004.65 = 368,494,211.10/x
  3. Step 3: Cross multiply
    640,592,003.10x = 960,888,004.65 × 368,494,211.10
  4. Step 4: Simplify right side
    640,592,003.10x = 354,081,667,228,954,880
  5. Step 5: Solve for x
    x = 354,081,667,228,954,880/640,592,003.10
  6. Step 6: Final answer
    x = 552,741,316.65

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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.