Home / 290,008,276.40-435,012,414.60-175,346,490.80

Finding the Fourth Proportional to 290,008,276.40, 435,012,414.60 and 175,346,490.80

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Solution

The fourth proportional to 290,008,276.40, 435,012,414.60 and 175,346,490.80 is: 263,019,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,008,276.40 : 435,012,414.60 = 175,346,490.80 : x
  2. Step 2: Convert to fraction form
    290,008,276.40/435,012,414.60 = 175,346,490.80/x
  3. Step 3: Cross multiply
    290,008,276.40x = 435,012,414.60 × 175,346,490.80
  4. Step 4: Simplify right side
    290,008,276.40x = 76,277,900,354,544,688
  5. Step 5: Solve for x
    x = 76,277,900,354,544,688/290,008,276.40
  6. Step 6: Final answer
    x = 263,019,736.20

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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.