Home / 721,803,985.45-1,082,532,620.05-333,253,495.42

Finding the Fourth Proportional to 721,803,985.45, 1,082,532,620.05 and 333,253,495.42

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Solution

The fourth proportional to 721,803,985.45, 1,082,532,620.05 and 333,253,495.42 is: 499,800,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,803,985.45 : 1,082,532,620.05 = 333,253,495.42 : x
  2. Step 2: Convert to fraction form
    721,803,985.45/1,082,532,620.05 = 333,253,495.42/x
  3. Step 3: Cross multiply
    721,803,985.45x = 1,082,532,620.05 × 333,253,495.42
  4. Step 4: Simplify right side
    721,803,985.45x = 360,757,779,534,293,824
  5. Step 5: Solve for x
    x = 360,757,779,534,293,824/721,803,985.45
  6. Step 6: Final answer
    x = 499,800,204.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.