Home / 395,037,476.70-545,340,755.46-263,098,041.18

Finding the Fourth Proportional to 395,037,476.70, 545,340,755.46 and 263,098,041.18

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Solution

The fourth proportional to 395,037,476.70, 545,340,755.46 and 263,098,041.18 is: 363,201,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,037,476.70 : 545,340,755.46 = 263,098,041.18 : x
  2. Step 2: Convert to fraction form
    395,037,476.70/545,340,755.46 = 263,098,041.18/x
  3. Step 3: Cross multiply
    395,037,476.70x = 545,340,755.46 × 263,098,041.18
  4. Step 4: Simplify right side
    395,037,476.70x = 143,478,084,537,147,408
  5. Step 5: Solve for x
    x = 143,478,084,537,147,408/395,037,476.70
  6. Step 6: Final answer
    x = 363,201,197.35

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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.