Home / 458,723,286.20-688,084,929.30-458,723,286.20

Finding the Fourth Proportional to 458,723,286.20, 688,084,929.30 and 458,723,286.20

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Solution

The fourth proportional to 458,723,286.20, 688,084,929.30 and 458,723,286.20 is: 688,084,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,723,286.20 : 688,084,929.30 = 458,723,286.20 : x
  2. Step 2: Convert to fraction form
    458,723,286.20/688,084,929.30 = 458,723,286.20/x
  3. Step 3: Cross multiply
    458,723,286.20x = 688,084,929.30 × 458,723,286.20
  4. Step 4: Simplify right side
    458,723,286.20x = 315,640,579,953,190,656
  5. Step 5: Solve for x
    x = 315,640,579,953,190,656/458,723,286.20
  6. Step 6: Final answer
    x = 688,084,929.30

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1.5x scale

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.