Home / 400,247,091.68-552,310,829.21-243,596,885.32

Finding the Fourth Proportional to 400,247,091.68, 552,310,829.21 and 243,596,885.32

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Solution

The fourth proportional to 400,247,091.68, 552,310,829.21 and 243,596,885.32 is: 336,145,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,247,091.68 : 552,310,829.21 = 243,596,885.32 : x
  2. Step 2: Convert to fraction form
    400,247,091.68/552,310,829.21 = 243,596,885.32/x
  3. Step 3: Cross multiply
    400,247,091.68x = 552,310,829.21 × 243,596,885.32
  4. Step 4: Simplify right side
    400,247,091.68x = 134,541,197,724,062,480
  5. Step 5: Solve for x
    x = 134,541,197,724,062,480/400,247,091.68
  6. Step 6: Final answer
    x = 336,145,347.51

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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.