Home / 1,117,627,774.99-1,542,256,836.29-615,808,476.33

Finding the Fourth Proportional to 1,117,627,774.99, 1,542,256,836.29 and 615,808,476.33

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Solution

The fourth proportional to 1,117,627,774.99, 1,542,256,836.29 and 615,808,476.33 is: 849,777,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,627,774.99 : 1,542,256,836.29 = 615,808,476.33 : x
  2. Step 2: Convert to fraction form
    1,117,627,774.99/1,542,256,836.29 = 615,808,476.33/x
  3. Step 3: Cross multiply
    1,117,627,774.99x = 1,542,256,836.29 × 615,808,476.33
  4. Step 4: Simplify right side
    1,117,627,774.99x = 949,734,832,470,033,536
  5. Step 5: Solve for x
    x = 949,734,832,470,033,536/1,117,627,774.99
  6. Step 6: Final answer
    x = 849,777,406.86

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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.