Home / 19,168,939,119.80-28,754,854,401.78-5,722,161,342.20

Finding the Fourth Proportional to 19,168,939,119.80, 28,754,854,401.78 and 5,722,161,342.20

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Solution

The fourth proportional to 19,168,939,119.80, 28,754,854,401.78 and 5,722,161,342.20 is: 8,583,673,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168,939,119.80 : 28,754,854,401.78 = 5,722,161,342.20 : x
  2. Step 2: Convert to fraction form
    19,168,939,119.80/28,754,854,401.78 = 5,722,161,342.20/x
  3. Step 3: Cross multiply
    19,168,939,119.80x = 28,754,854,401.78 × 5,722,161,342.20
  4. Step 4: Simplify right side
    19,168,939,119.80x = 164,539,916,258,454,994,944
  5. Step 5: Solve for x
    x = 164,539,916,258,454,994,944/19,168,939,119.80
  6. Step 6: Final answer
    x = 8,583,673,578.91

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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.