Home / 400,247,090.68-552,310,827.83-243,596,884.32

Finding the Fourth Proportional to 400,247,090.68, 552,310,827.83 and 243,596,884.32

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Solution

The fourth proportional to 400,247,090.68, 552,310,827.83 and 243,596,884.32 is: 336,145,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,247,090.68 : 552,310,827.83 = 243,596,884.32 : x
  2. Step 2: Convert to fraction form
    400,247,090.68/552,310,827.83 = 243,596,884.32/x
  3. Step 3: Cross multiply
    400,247,090.68x = 552,310,827.83 × 243,596,884.32
  4. Step 4: Simplify right side
    400,247,090.68x = 134,541,196,834,761,872
  5. Step 5: Solve for x
    x = 134,541,196,834,761,872/400,247,090.68
  6. Step 6: Final answer
    x = 336,145,346.13

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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.