Home / 664,303,618.45-996,455,427.68-492,116,734.45

Finding the Fourth Proportional to 664,303,618.45, 996,455,427.68 and 492,116,734.45

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Solution

The fourth proportional to 664,303,618.45, 996,455,427.68 and 492,116,734.45 is: 738,175,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,618.45 : 996,455,427.68 = 492,116,734.45 : x
  2. Step 2: Convert to fraction form
    664,303,618.45/996,455,427.68 = 492,116,734.45/x
  3. Step 3: Cross multiply
    664,303,618.45x = 996,455,427.68 × 492,116,734.45
  4. Step 4: Simplify right side
    664,303,618.45x = 490,372,391,094,859,712
  5. Step 5: Solve for x
    x = 490,372,391,094,859,712/664,303,618.45
  6. Step 6: Final answer
    x = 738,175,101.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.