Home / 290,322,023.40-435,483,035.10-98,845,799.40

Finding the Fourth Proportional to 290,322,023.40, 435,483,035.10 and 98,845,799.40

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Solution

The fourth proportional to 290,322,023.40, 435,483,035.10 and 98,845,799.40 is: 148,268,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,322,023.40 : 435,483,035.10 = 98,845,799.40 : x
  2. Step 2: Convert to fraction form
    290,322,023.40/435,483,035.10 = 98,845,799.40/x
  3. Step 3: Cross multiply
    290,322,023.40x = 435,483,035.10 × 98,845,799.40
  4. Step 4: Simplify right side
    290,322,023.40x = 43,045,668,729,597,760
  5. Step 5: Solve for x
    x = 43,045,668,729,597,760/290,322,023.40
  6. Step 6: Final answer
    x = 148,268,699.10

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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.