Home / 340,809,375.60-511,214,063.40-298,719,248.40

Finding the Fourth Proportional to 340,809,375.60, 511,214,063.40 and 298,719,248.40

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Solution

The fourth proportional to 340,809,375.60, 511,214,063.40 and 298,719,248.40 is: 448,078,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,809,375.60 : 511,214,063.40 = 298,719,248.40 : x
  2. Step 2: Convert to fraction form
    340,809,375.60/511,214,063.40 = 298,719,248.40/x
  3. Step 3: Cross multiply
    340,809,375.60x = 511,214,063.40 × 298,719,248.40
  4. Step 4: Simplify right side
    340,809,375.60x = 152,709,480,790,357,920
  5. Step 5: Solve for x
    x = 152,709,480,790,357,920/340,809,375.60
  6. Step 6: Final answer
    x = 448,078,872.60

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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.