Home / 313,924,748.40-470,887,122.60-245,825,650.80

Finding the Fourth Proportional to 313,924,748.40, 470,887,122.60 and 245,825,650.80

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Solution

The fourth proportional to 313,924,748.40, 470,887,122.60 and 245,825,650.80 is: 368,738,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,924,748.40 : 470,887,122.60 = 245,825,650.80 : x
  2. Step 2: Convert to fraction form
    313,924,748.40/470,887,122.60 = 245,825,650.80/x
  3. Step 3: Cross multiply
    313,924,748.40x = 470,887,122.60 × 245,825,650.80
  4. Step 4: Simplify right side
    313,924,748.40x = 115,756,133,366,484,400
  5. Step 5: Solve for x
    x = 115,756,133,366,484,400/313,924,748.40
  6. Step 6: Final answer
    x = 368,738,476.20

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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.