Home / 769,904,408.46-1,154,395,421.73-245,046,799.74

Finding the Fourth Proportional to 769,904,408.46, 1,154,395,421.73 and 245,046,799.74

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Solution

The fourth proportional to 769,904,408.46, 1,154,395,421.73 and 245,046,799.74 is: 367,423,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,904,408.46 : 1,154,395,421.73 = 245,046,799.74 : x
  2. Step 2: Convert to fraction form
    769,904,408.46/1,154,395,421.73 = 245,046,799.74/x
  3. Step 3: Cross multiply
    769,904,408.46x = 1,154,395,421.73 × 245,046,799.74
  4. Step 4: Simplify right side
    769,904,408.46x = 282,880,903,729,444,160
  5. Step 5: Solve for x
    x = 282,880,903,729,444,160/769,904,408.46
  6. Step 6: Final answer
    x = 367,423,410.78

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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.