Home / 618,932,461,518.40-928,822,771,736.90-216,015,931,709.20

Finding the Fourth Proportional to 618,932,461,518.40, 928,822,771,736.90 and 216,015,931,709.20

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Solution

The fourth proportional to 618,932,461,518.40, 928,822,771,736.90 and 216,015,931,709.20 is: 324,171,907,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,932,461,518.40 : 928,822,771,736.90 = 216,015,931,709.20 : x
  2. Step 2: Convert to fraction form
    618,932,461,518.40/928,822,771,736.90 = 216,015,931,709.20/x
  3. Step 3: Cross multiply
    618,932,461,518.40x = 928,822,771,736.90 × 216,015,931,709.20
  4. Step 4: Simplify right side
    618,932,461,518.40x = 200,640,516,429,468,055,633,920
  5. Step 5: Solve for x
    x = 200,640,516,429,468,055,633,920/618,932,461,518.40
  6. Step 6: Final answer
    x = 324,171,907,120.93

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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.