Home / 531,877,927.57-734,187,403.01-320,194,597.25

Finding the Fourth Proportional to 531,877,927.57, 734,187,403.01 and 320,194,597.25

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Solution

The fourth proportional to 531,877,927.57, 734,187,403.01 and 320,194,597.25 is: 441,986,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,877,927.57 : 734,187,403.01 = 320,194,597.25 : x
  2. Step 2: Convert to fraction form
    531,877,927.57/734,187,403.01 = 320,194,597.25/x
  3. Step 3: Cross multiply
    531,877,927.57x = 734,187,403.01 × 320,194,597.25
  4. Step 4: Simplify right side
    531,877,927.57x = 235,082,839,815,446,368
  5. Step 5: Solve for x
    x = 235,082,839,815,446,368/531,877,927.57
  6. Step 6: Final answer
    x = 441,986,455.22

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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.