Home / 343,872,913.60-515,809,370.40-229,081,657.60

Finding the Fourth Proportional to 343,872,913.60, 515,809,370.40 and 229,081,657.60

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Solution

The fourth proportional to 343,872,913.60, 515,809,370.40 and 229,081,657.60 is: 343,622,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,872,913.60 : 515,809,370.40 = 229,081,657.60 : x
  2. Step 2: Convert to fraction form
    343,872,913.60/515,809,370.40 = 229,081,657.60/x
  3. Step 3: Cross multiply
    343,872,913.60x = 515,809,370.40 × 229,081,657.60
  4. Step 4: Simplify right side
    343,872,913.60x = 118,162,465,576,844,368
  5. Step 5: Solve for x
    x = 118,162,465,576,844,368/343,872,913.60
  6. Step 6: Final answer
    x = 343,622,486.40

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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.