Home / 647,085,370.20-970,628,055.30-440,461,109.40

Finding the Fourth Proportional to 647,085,370.20, 970,628,055.30 and 440,461,109.40

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Solution

The fourth proportional to 647,085,370.20, 970,628,055.30 and 440,461,109.40 is: 660,691,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,085,370.20 : 970,628,055.30 = 440,461,109.40 : x
  2. Step 2: Convert to fraction form
    647,085,370.20/970,628,055.30 = 440,461,109.40/x
  3. Step 3: Cross multiply
    647,085,370.20x = 970,628,055.30 × 440,461,109.40
  4. Step 4: Simplify right side
    647,085,370.20x = 427,523,910,052,202,496
  5. Step 5: Solve for x
    x = 427,523,910,052,202,496/647,085,370.20
  6. Step 6: Final answer
    x = 660,691,664.10

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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.