Home / 317,953,720.80-476,930,581.20-266,935,384.80

Finding the Fourth Proportional to 317,953,720.80, 476,930,581.20 and 266,935,384.80

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Solution

The fourth proportional to 317,953,720.80, 476,930,581.20 and 266,935,384.80 is: 400,403,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,953,720.80 : 476,930,581.20 = 266,935,384.80 : x
  2. Step 2: Convert to fraction form
    317,953,720.80/476,930,581.20 = 266,935,384.80/x
  3. Step 3: Cross multiply
    317,953,720.80x = 476,930,581.20 × 266,935,384.80
  4. Step 4: Simplify right side
    317,953,720.80x = 127,309,648,215,509,648
  5. Step 5: Solve for x
    x = 127,309,648,215,509,648/317,953,720.80
  6. Step 6: Final answer
    x = 400,403,077.20

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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.