Home / 368,365,635.99-508,346,201.31-203,354,561.43

Finding the Fourth Proportional to 368,365,635.99, 508,346,201.31 and 203,354,561.43

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Solution

The fourth proportional to 368,365,635.99, 508,346,201.31 and 203,354,561.43 is: 280,630,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,365,635.99 : 508,346,201.31 = 203,354,561.43 : x
  2. Step 2: Convert to fraction form
    368,365,635.99/508,346,201.31 = 203,354,561.43/x
  3. Step 3: Cross multiply
    368,365,635.99x = 508,346,201.31 × 203,354,561.43
  4. Step 4: Simplify right side
    368,365,635.99x = 103,374,518,822,001,552
  5. Step 5: Solve for x
    x = 103,374,518,822,001,552/368,365,635.99
  6. Step 6: Final answer
    x = 280,630,191.10

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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.