Home / 193,575,816,007.20-290,363,724,010.80-109,892,990,383.20

Finding the Fourth Proportional to 193,575,816,007.20, 290,363,724,010.80 and 109,892,990,383.20

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Solution

The fourth proportional to 193,575,816,007.20, 290,363,724,010.80 and 109,892,990,383.20 is: 164,839,485,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,575,816,007.20 : 290,363,724,010.80 = 109,892,990,383.20 : x
  2. Step 2: Convert to fraction form
    193,575,816,007.20/290,363,724,010.80 = 109,892,990,383.20/x
  3. Step 3: Cross multiply
    193,575,816,007.20x = 290,363,724,010.80 × 109,892,990,383.20
  4. Step 4: Simplify right side
    193,575,816,007.20x = 31,908,937,930,348,982,960,128
  5. Step 5: Solve for x
    x = 31,908,937,930,348,982,960,128/193,575,816,007.20
  6. Step 6: Final answer
    x = 164,839,485,574.80

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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.