Home / 400,713,495.36-553,043,003.24-224,513,400.72

Finding the Fourth Proportional to 400,713,495.36, 553,043,003.24 and 224,513,400.72

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Solution

The fourth proportional to 400,713,495.36, 553,043,003.24 and 224,513,400.72 is: 309,861,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,713,495.36 : 553,043,003.24 = 224,513,400.72 : x
  2. Step 2: Convert to fraction form
    400,713,495.36/553,043,003.24 = 224,513,400.72/x
  3. Step 3: Cross multiply
    400,713,495.36x = 553,043,003.24 × 224,513,400.72
  4. Step 4: Simplify right side
    400,713,495.36x = 124,165,565,401,814,384
  5. Step 5: Solve for x
    x = 124,165,565,401,814,384/400,713,495.36
  6. Step 6: Final answer
    x = 309,861,202.18

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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.