Home / 1,889,149,749.52-2,606,900,683.08-1,085,403,105.04

Finding the Fourth Proportional to 1,889,149,749.52, 2,606,900,683.08 and 1,085,403,105.04

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Solution

The fourth proportional to 1,889,149,749.52, 2,606,900,683.08 and 1,085,403,105.04 is: 1,497,783,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,149,749.52 : 2,606,900,683.08 = 1,085,403,105.04 : x
  2. Step 2: Convert to fraction form
    1,889,149,749.52/2,606,900,683.08 = 1,085,403,105.04/x
  3. Step 3: Cross multiply
    1,889,149,749.52x = 2,606,900,683.08 × 1,085,403,105.04
  4. Step 4: Simplify right side
    1,889,149,749.52x = 2,829,538,095,945,928,704
  5. Step 5: Solve for x
    x = 2,829,538,095,945,928,704/1,889,149,749.52
  6. Step 6: Final answer
    x = 1,497,783,908.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.