Home / 264,977,108.80-397,465,663.20-209,707,244.80

Finding the Fourth Proportional to 264,977,108.80, 397,465,663.20 and 209,707,244.80

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Solution

The fourth proportional to 264,977,108.80, 397,465,663.20 and 209,707,244.80 is: 314,560,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,977,108.80 : 397,465,663.20 = 209,707,244.80 : x
  2. Step 2: Convert to fraction form
    264,977,108.80/397,465,663.20 = 209,707,244.80/x
  3. Step 3: Cross multiply
    264,977,108.80x = 397,465,663.20 × 209,707,244.80
  4. Step 4: Simplify right side
    264,977,108.80x = 83,351,429,132,276,752
  5. Step 5: Solve for x
    x = 83,351,429,132,276,752/264,977,108.80
  6. Step 6: Final answer
    x = 314,560,867.20

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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.