Home / 406,693,455.78-561,197,752.46-228,084,595.12

Finding the Fourth Proportional to 406,693,455.78, 561,197,752.46 and 228,084,595.12

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Solution

The fourth proportional to 406,693,455.78, 561,197,752.46 and 228,084,595.12 is: 314,734,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,693,455.78 : 561,197,752.46 = 228,084,595.12 : x
  2. Step 2: Convert to fraction form
    406,693,455.78/561,197,752.46 = 228,084,595.12/x
  3. Step 3: Cross multiply
    406,693,455.78x = 561,197,752.46 × 228,084,595.12
  4. Step 4: Simplify right side
    406,693,455.78x = 128,000,562,149,287,104
  5. Step 5: Solve for x
    x = 128,000,562,149,287,104/406,693,455.78
  6. Step 6: Final answer
    x = 314,734,747.58

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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.