Home / 30,231,192,129.60-45,346,788,194.40-17,170,498,113.60

Finding the Fourth Proportional to 30,231,192,129.60, 45,346,788,194.40 and 17,170,498,113.60

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Solution

The fourth proportional to 30,231,192,129.60, 45,346,788,194.40 and 17,170,498,113.60 is: 25,755,747,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231,192,129.60 : 45,346,788,194.40 = 17,170,498,113.60 : x
  2. Step 2: Convert to fraction form
    30,231,192,129.60/45,346,788,194.40 = 17,170,498,113.60/x
  3. Step 3: Cross multiply
    30,231,192,129.60x = 45,346,788,194.40 × 17,170,498,113.60
  4. Step 4: Simplify right side
    30,231,192,129.60x = 778,626,941,149,763,993,600
  5. Step 5: Solve for x
    x = 778,626,941,149,763,993,600/30,231,192,129.60
  6. Step 6: Final answer
    x = 25,755,747,170.40

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Double scale
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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.