Home / 686,405,181.60-1,029,607,772.40-410,906,167.20

Finding the Fourth Proportional to 686,405,181.60, 1,029,607,772.40 and 410,906,167.20

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Solution

The fourth proportional to 686,405,181.60, 1,029,607,772.40 and 410,906,167.20 is: 616,359,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,405,181.60 : 1,029,607,772.40 = 410,906,167.20 : x
  2. Step 2: Convert to fraction form
    686,405,181.60/1,029,607,772.40 = 410,906,167.20/x
  3. Step 3: Cross multiply
    686,405,181.60x = 1,029,607,772.40 × 410,906,167.20
  4. Step 4: Simplify right side
    686,405,181.60x = 423,072,183,476,213,952
  5. Step 5: Solve for x
    x = 423,072,183,476,213,952/686,405,181.60
  6. Step 6: Final answer
    x = 616,359,250.80

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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.