Home / 1,117,627,789.74-1,542,256,856.58-615,808,491.06

Finding the Fourth Proportional to 1,117,627,789.74, 1,542,256,856.58 and 615,808,491.06

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Solution

The fourth proportional to 1,117,627,789.74, 1,542,256,856.58 and 615,808,491.06 is: 849,777,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,627,789.74 : 1,542,256,856.58 = 615,808,491.06 : x
  2. Step 2: Convert to fraction form
    1,117,627,789.74/1,542,256,856.58 = 615,808,491.06/x
  3. Step 3: Cross multiply
    1,117,627,789.74x = 1,542,256,856.58 × 615,808,491.06
  4. Step 4: Simplify right side
    1,117,627,789.74x = 949,734,867,677,468,544
  5. Step 5: Solve for x
    x = 949,734,867,677,468,544/1,117,627,789.74
  6. Step 6: Final answer
    x = 849,777,427.15

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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.