Home / 689,413,504.32-951,684,196.23-463,483,519.25

Finding the Fourth Proportional to 689,413,504.32, 951,684,196.23 and 463,483,519.25

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Solution

The fourth proportional to 689,413,504.32, 951,684,196.23 and 463,483,519.25 is: 639,804,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,413,504.32 : 951,684,196.23 = 463,483,519.25 : x
  2. Step 2: Convert to fraction form
    689,413,504.32/951,684,196.23 = 463,483,519.25/x
  3. Step 3: Cross multiply
    689,413,504.32x = 951,684,196.23 × 463,483,519.25
  4. Step 4: Simplify right side
    689,413,504.32x = 441,089,940,478,529,600
  5. Step 5: Solve for x
    x = 441,089,940,478,529,600/689,413,504.32
  6. Step 6: Final answer
    x = 639,804,613.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.