Home / 1,292,188,864.10-1,938,283,296.15-1,152,444,812.90

Finding the Fourth Proportional to 1,292,188,864.10, 1,938,283,296.15 and 1,152,444,812.90

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Solution

The fourth proportional to 1,292,188,864.10, 1,938,283,296.15 and 1,152,444,812.90 is: 1,728,667,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,188,864.10 : 1,938,283,296.15 = 1,152,444,812.90 : x
  2. Step 2: Convert to fraction form
    1,292,188,864.10/1,938,283,296.15 = 1,152,444,812.90/x
  3. Step 3: Cross multiply
    1,292,188,864.10x = 1,938,283,296.15 × 1,152,444,812.90
  4. Step 4: Simplify right side
    1,292,188,864.10x = 2,233,764,530,578,782,208
  5. Step 5: Solve for x
    x = 2,233,764,530,578,782,208/1,292,188,864.10
  6. Step 6: Final answer
    x = 1,728,667,219.35

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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.