Home / 453,218,285.55-679,788,486.32-275,909,410.53

Finding the Fourth Proportional to 453,218,285.55, 679,788,486.32 and 275,909,410.53

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Solution

The fourth proportional to 453,218,285.55, 679,788,486.32 and 275,909,410.53 is: 413,840,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,218,285.55 : 679,788,486.32 = 275,909,410.53 : x
  2. Step 2: Convert to fraction form
    453,218,285.55/679,788,486.32 = 275,909,410.53/x
  3. Step 3: Cross multiply
    453,218,285.55x = 679,788,486.32 × 275,909,410.53
  4. Step 4: Simplify right side
    453,218,285.55x = 187,560,040,547,532,992
  5. Step 5: Solve for x
    x = 187,560,040,547,532,992/453,218,285.55
  6. Step 6: Final answer
    x = 413,840,408.75

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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.