Home / 806,339,928.60-1,209,733,841.70-346,498,392.60

Finding the Fourth Proportional to 806,339,928.60, 1,209,733,841.70 and 346,498,392.60

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Solution

The fourth proportional to 806,339,928.60, 1,209,733,841.70 and 346,498,392.60 is: 519,843,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,339,928.60 : 1,209,733,841.70 = 346,498,392.60 : x
  2. Step 2: Convert to fraction form
    806,339,928.60/1,209,733,841.70 = 346,498,392.60/x
  3. Step 3: Cross multiply
    806,339,928.60x = 1,209,733,841.70 × 346,498,392.60
  4. Step 4: Simplify right side
    806,339,928.60x = 419,170,831,622,872,896
  5. Step 5: Solve for x
    x = 419,170,831,622,872,896/806,339,928.60
  6. Step 6: Final answer
    x = 519,843,823.62

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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.