Home / 310,279,095.60-465,418,643.40-305,744,132.40

Finding the Fourth Proportional to 310,279,095.60, 465,418,643.40 and 305,744,132.40

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Solution

The fourth proportional to 310,279,095.60, 465,418,643.40 and 305,744,132.40 is: 458,616,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,279,095.60 : 465,418,643.40 = 305,744,132.40 : x
  2. Step 2: Convert to fraction form
    310,279,095.60/465,418,643.40 = 305,744,132.40/x
  3. Step 3: Cross multiply
    310,279,095.60x = 465,418,643.40 × 305,744,132.40
  4. Step 4: Simplify right side
    310,279,095.60x = 142,299,019,329,117,968
  5. Step 5: Solve for x
    x = 142,299,019,329,117,968/310,279,095.60
  6. Step 6: Final answer
    x = 458,616,198.60

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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.