Home / 442,674,887.20-664,012,330.80-297,556,064.80

Finding the Fourth Proportional to 442,674,887.20, 664,012,330.80 and 297,556,064.80

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Solution

The fourth proportional to 442,674,887.20, 664,012,330.80 and 297,556,064.80 is: 446,334,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,674,887.20 : 664,012,330.80 = 297,556,064.80 : x
  2. Step 2: Convert to fraction form
    442,674,887.20/664,012,330.80 = 297,556,064.80/x
  3. Step 3: Cross multiply
    442,674,887.20x = 664,012,330.80 × 297,556,064.80
  4. Step 4: Simplify right side
    442,674,887.20x = 197,580,896,131,523,840
  5. Step 5: Solve for x
    x = 197,580,896,131,523,840/442,674,887.20
  6. Step 6: Final answer
    x = 446,334,097.20

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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.