Home / 313,751,715.18-470,082,167.76-220,180,242.24

Finding the Fourth Proportional to 313,751,715.18, 470,082,167.76 and 220,180,242.24

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Solution

The fourth proportional to 313,751,715.18, 470,082,167.76 and 220,180,242.24 is: 329,887,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,751,715.18 : 470,082,167.76 = 220,180,242.24 : x
  2. Step 2: Convert to fraction form
    313,751,715.18/470,082,167.76 = 220,180,242.24/x
  3. Step 3: Cross multiply
    313,751,715.18x = 470,082,167.76 × 220,180,242.24
  4. Step 4: Simplify right side
    313,751,715.18x = 103,502,805,570,101,120
  5. Step 5: Solve for x
    x = 103,502,805,570,101,120/313,751,715.18
  6. Step 6: Final answer
    x = 329,887,616.74

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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.