Home / 317,953,266.80-476,929,900.20-266,934,930.80

Finding the Fourth Proportional to 317,953,266.80, 476,929,900.20 and 266,934,930.80

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Solution

The fourth proportional to 317,953,266.80, 476,929,900.20 and 266,934,930.80 is: 400,402,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,953,266.80 : 476,929,900.20 = 266,934,930.80 : x
  2. Step 2: Convert to fraction form
    317,953,266.80/476,929,900.20 = 266,934,930.80/x
  3. Step 3: Cross multiply
    317,953,266.80x = 476,929,900.20 × 266,934,930.80
  4. Step 4: Simplify right side
    317,953,266.80x = 127,309,249,906,337,904
  5. Step 5: Solve for x
    x = 127,309,249,906,337,904/317,953,266.80
  6. Step 6: Final answer
    x = 400,402,396.20

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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.