Home / 531,877,932.06-734,187,409.23-320,194,601.76

Finding the Fourth Proportional to 531,877,932.06, 734,187,409.23 and 320,194,601.76

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Solution

The fourth proportional to 531,877,932.06, 734,187,409.23 and 320,194,601.76 is: 441,986,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,877,932.06 : 734,187,409.23 = 320,194,601.76 : x
  2. Step 2: Convert to fraction form
    531,877,932.06/734,187,409.23 = 320,194,601.76/x
  3. Step 3: Cross multiply
    531,877,932.06x = 734,187,409.23 × 320,194,601.76
  4. Step 4: Simplify right side
    531,877,932.06x = 235,082,845,115,605,984
  5. Step 5: Solve for x
    x = 235,082,845,115,605,984/531,877,932.06
  6. Step 6: Final answer
    x = 441,986,461.45

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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.