Home / 443,235,547.80-664,853,321.70-259,569,538.20

Finding the Fourth Proportional to 443,235,547.80, 664,853,321.70 and 259,569,538.20

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Solution

The fourth proportional to 443,235,547.80, 664,853,321.70 and 259,569,538.20 is: 389,354,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,235,547.80 : 664,853,321.70 = 259,569,538.20 : x
  2. Step 2: Convert to fraction form
    443,235,547.80/664,853,321.70 = 259,569,538.20/x
  3. Step 3: Cross multiply
    443,235,547.80x = 664,853,321.70 × 259,569,538.20
  4. Step 4: Simplify right side
    443,235,547.80x = 172,575,669,684,405,056
  5. Step 5: Solve for x
    x = 172,575,669,684,405,056/443,235,547.80
  6. Step 6: Final answer
    x = 389,354,307.30

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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.