Home / 923,016,901.20-1,384,189,428.60-462,802,117.20

Finding the Fourth Proportional to 923,016,901.20, 1,384,189,428.60 and 462,802,117.20

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Solution

The fourth proportional to 923,016,901.20, 1,384,189,428.60 and 462,802,117.20 is: 694,034,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,016,901.20 : 1,384,189,428.60 = 462,802,117.20 : x
  2. Step 2: Convert to fraction form
    923,016,901.20/1,384,189,428.60 = 462,802,117.20/x
  3. Step 3: Cross multiply
    923,016,901.20x = 1,384,189,428.60 × 462,802,117.20
  4. Step 4: Simplify right side
    923,016,901.20x = 640,605,798,161,938,176
  5. Step 5: Solve for x
    x = 640,605,798,161,938,176/923,016,901.20
  6. Step 6: Final answer
    x = 694,034,743.38

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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.