Home / 654,827,111.10-982,377,135.45-218,263,419.90

Finding the Fourth Proportional to 654,827,111.10, 982,377,135.45 and 218,263,419.90

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Solution

The fourth proportional to 654,827,111.10, 982,377,135.45 and 218,263,419.90 is: 327,440,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,827,111.10 : 982,377,135.45 = 218,263,419.90 : x
  2. Step 2: Convert to fraction form
    654,827,111.10/982,377,135.45 = 218,263,419.90/x
  3. Step 3: Cross multiply
    654,827,111.10x = 982,377,135.45 × 218,263,419.90
  4. Step 4: Simplify right side
    654,827,111.10x = 214,416,993,214,882,528
  5. Step 5: Solve for x
    x = 214,416,993,214,882,528/654,827,111.10
  6. Step 6: Final answer
    x = 327,440,616.89

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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.