Home / 885,570,091.20-1,328,922,007.20-517,104,331.20

Finding the Fourth Proportional to 885,570,091.20, 1,328,922,007.20 and 517,104,331.20

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Solution

The fourth proportional to 885,570,091.20, 1,328,922,007.20 and 517,104,331.20 is: 775,987,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,570,091.20 : 1,328,922,007.20 = 517,104,331.20 : x
  2. Step 2: Convert to fraction form
    885,570,091.20/1,328,922,007.20 = 517,104,331.20/x
  3. Step 3: Cross multiply
    885,570,091.20x = 1,328,922,007.20 × 517,104,331.20
  4. Step 4: Simplify right side
    885,570,091.20x = 687,191,325,750,117,632
  5. Step 5: Solve for x
    x = 687,191,325,750,117,632/885,570,091.20
  6. Step 6: Final answer
    x = 775,987,505.20

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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.