Home / 571,024,965.46-788,272,656.83-359,642,453.21

Finding the Fourth Proportional to 571,024,965.46, 788,272,656.83 and 359,642,453.21

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Solution

The fourth proportional to 571,024,965.46, 788,272,656.83 and 359,642,453.21 is: 496,469,207.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,024,965.46 : 788,272,656.83 = 359,642,453.21 : x
  2. Step 2: Convert to fraction form
    571,024,965.46/788,272,656.83 = 359,642,453.21/x
  3. Step 3: Cross multiply
    571,024,965.46x = 788,272,656.83 × 359,642,453.21
  4. Step 4: Simplify right side
    571,024,965.46x = 283,496,312,100,705,664
  5. Step 5: Solve for x
    x = 283,496,312,100,705,664/571,024,965.46
  6. Step 6: Final answer
    x = 496,469,207.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.