Home / 1,417,188,110.40-2,125,782,165.60-1,288,047,947.40

Finding the Fourth Proportional to 1,417,188,110.40, 2,125,782,165.60 and 1,288,047,947.40

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Solution

The fourth proportional to 1,417,188,110.40, 2,125,782,165.60 and 1,288,047,947.40 is: 1,932,071,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,188,110.40 : 2,125,782,165.60 = 1,288,047,947.40 : x
  2. Step 2: Convert to fraction form
    1,417,188,110.40/2,125,782,165.60 = 1,288,047,947.40/x
  3. Step 3: Cross multiply
    1,417,188,110.40x = 2,125,782,165.60 × 1,288,047,947.40
  4. Step 4: Simplify right side
    1,417,188,110.40x = 2,738,109,355,020,606,976
  5. Step 5: Solve for x
    x = 2,738,109,355,020,606,976/1,417,188,110.40
  6. Step 6: Final answer
    x = 1,932,071,921.10

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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.