Home / 331,768,994.40-497,653,491.60-168,510,319.20

Finding the Fourth Proportional to 331,768,994.40, 497,653,491.60 and 168,510,319.20

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Solution

The fourth proportional to 331,768,994.40, 497,653,491.60 and 168,510,319.20 is: 252,765,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,768,994.40 : 497,653,491.60 = 168,510,319.20 : x
  2. Step 2: Convert to fraction form
    331,768,994.40/497,653,491.60 = 168,510,319.20/x
  3. Step 3: Cross multiply
    331,768,994.40x = 497,653,491.60 × 168,510,319.20
  4. Step 4: Simplify right side
    331,768,994.40x = 83,859,748,720,510,512
  5. Step 5: Solve for x
    x = 83,859,748,720,510,512/331,768,994.40
  6. Step 6: Final answer
    x = 252,765,478.80

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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.