Home / 1,566,090,401.76-2,161,261,578.96-897,164,729.64

Finding the Fourth Proportional to 1,566,090,401.76, 2,161,261,578.96 and 897,164,729.64

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Solution

The fourth proportional to 1,566,090,401.76, 2,161,261,578.96 and 897,164,729.64 is: 1,238,119,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,090,401.76 : 2,161,261,578.96 = 897,164,729.64 : x
  2. Step 2: Convert to fraction form
    1,566,090,401.76/2,161,261,578.96 = 897,164,729.64/x
  3. Step 3: Cross multiply
    1,566,090,401.76x = 2,161,261,578.96 × 897,164,729.64
  4. Step 4: Simplify right side
    1,566,090,401.76x = 1,939,007,660,168,967,936
  5. Step 5: Solve for x
    x = 1,939,007,660,168,967,936/1,566,090,401.76
  6. Step 6: Final answer
    x = 1,238,119,879.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.