Home / 570,263,910.14-855,755,700.96-242,738,900.30

Finding the Fourth Proportional to 570,263,910.14, 855,755,700.96 and 242,738,900.30

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Solution

The fourth proportional to 570,263,910.14, 855,755,700.96 and 242,738,900.30 is: 364,261,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,263,910.14 : 855,755,700.96 = 242,738,900.30 : x
  2. Step 2: Convert to fraction form
    570,263,910.14/855,755,700.96 = 242,738,900.30/x
  3. Step 3: Cross multiply
    570,263,910.14x = 855,755,700.96 × 242,738,900.30
  4. Step 4: Simplify right side
    570,263,910.14x = 207,725,197,776,486,080
  5. Step 5: Solve for x
    x = 207,725,197,776,486,080/570,263,910.14
  6. Step 6: Final answer
    x = 364,261,518.37

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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.