Home / 647,010,655.70-970,515,983.55-463,344,646.10

Finding the Fourth Proportional to 647,010,655.70, 970,515,983.55 and 463,344,646.10

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Solution

The fourth proportional to 647,010,655.70, 970,515,983.55 and 463,344,646.10 is: 695,016,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,010,655.70 : 970,515,983.55 = 463,344,646.10 : x
  2. Step 2: Convert to fraction form
    647,010,655.70/970,515,983.55 = 463,344,646.10/x
  3. Step 3: Cross multiply
    647,010,655.70x = 970,515,983.55 × 463,344,646.10
  4. Step 4: Simplify right side
    647,010,655.70x = 449,683,384,932,368,192
  5. Step 5: Solve for x
    x = 449,683,384,932,368,192/647,010,655.70
  6. Step 6: Final answer
    x = 695,016,969.15

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Double scale
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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.