Home / 640,667,859.50-960,904,690.31-174,365,620.46

Finding the Fourth Proportional to 640,667,859.50, 960,904,690.31 and 174,365,620.46

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Solution

The fourth proportional to 640,667,859.50, 960,904,690.31 and 174,365,620.46 is: 261,522,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,667,859.50 : 960,904,690.31 = 174,365,620.46 : x
  2. Step 2: Convert to fraction form
    640,667,859.50/960,904,690.31 = 174,365,620.46/x
  3. Step 3: Cross multiply
    640,667,859.50x = 960,904,690.31 × 174,365,620.46
  4. Step 4: Simplify right side
    640,667,859.50x = 167,548,742,528,827,296
  5. Step 5: Solve for x
    x = 167,548,742,528,827,296/640,667,859.50
  6. Step 6: Final answer
    x = 261,522,004.02

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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.