Home / 288,362,818.99-397,932,468.96-169,283,496.43

Finding the Fourth Proportional to 288,362,818.99, 397,932,468.96 and 169,283,496.43

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Solution

The fourth proportional to 288,362,818.99, 397,932,468.96 and 169,283,496.43 is: 233,606,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,362,818.99 : 397,932,468.96 = 169,283,496.43 : x
  2. Step 2: Convert to fraction form
    288,362,818.99/397,932,468.96 = 169,283,496.43/x
  3. Step 3: Cross multiply
    288,362,818.99x = 397,932,468.96 × 169,283,496.43
  4. Step 4: Simplify right side
    288,362,818.99x = 67,363,399,688,571,248
  5. Step 5: Solve for x
    x = 67,363,399,688,571,248/288,362,818.99
  6. Step 6: Final answer
    x = 233,606,398.79

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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.