Home / 1,170,412,848.80-1,755,619,273.20-480,815,007.20

Finding the Fourth Proportional to 1,170,412,848.80, 1,755,619,273.20 and 480,815,007.20

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Solution

The fourth proportional to 1,170,412,848.80, 1,755,619,273.20 and 480,815,007.20 is: 721,222,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,412,848.80 : 1,755,619,273.20 = 480,815,007.20 : x
  2. Step 2: Convert to fraction form
    1,170,412,848.80/1,755,619,273.20 = 480,815,007.20/x
  3. Step 3: Cross multiply
    1,170,412,848.80x = 1,755,619,273.20 × 480,815,007.20
  4. Step 4: Simplify right side
    1,170,412,848.80x = 844,128,093,484,116,736
  5. Step 5: Solve for x
    x = 844,128,093,484,116,736/1,170,412,848.80
  6. Step 6: Final answer
    x = 721,222,510.80

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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.