Home / 647,010,656.20-970,515,984.30-463,344,646.60

Finding the Fourth Proportional to 647,010,656.20, 970,515,984.30 and 463,344,646.60

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Solution

The fourth proportional to 647,010,656.20, 970,515,984.30 and 463,344,646.60 is: 695,016,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,010,656.20 : 970,515,984.30 = 463,344,646.60 : x
  2. Step 2: Convert to fraction form
    647,010,656.20/970,515,984.30 = 463,344,646.60/x
  3. Step 3: Cross multiply
    647,010,656.20x = 970,515,984.30 × 463,344,646.60
  4. Step 4: Simplify right side
    647,010,656.20x = 449,683,385,765,134,656
  5. Step 5: Solve for x
    x = 449,683,385,765,134,656/647,010,656.20
  6. Step 6: Final answer
    x = 695,016,969.90

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1.5x scale

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.