Home / 660,049,738,111.20-990,074,607,166.80-188,946,423,487.20

Finding the Fourth Proportional to 660,049,738,111.20, 990,074,607,166.80 and 188,946,423,487.20

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Solution

The fourth proportional to 660,049,738,111.20, 990,074,607,166.80 and 188,946,423,487.20 is: 283,419,635,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,049,738,111.20 : 990,074,607,166.80 = 188,946,423,487.20 : x
  2. Step 2: Convert to fraction form
    660,049,738,111.20/990,074,607,166.80 = 188,946,423,487.20/x
  3. Step 3: Cross multiply
    660,049,738,111.20x = 990,074,607,166.80 × 188,946,423,487.20
  4. Step 4: Simplify right side
    660,049,738,111.20x = 187,071,056,009,661,410,967,552
  5. Step 5: Solve for x
    x = 187,071,056,009,661,410,967,552/660,049,738,111.20
  6. Step 6: Final answer
    x = 283,419,635,230.80

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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.