Home / 1,117,627,781.54-1,542,256,845.28-615,808,482.88

Finding the Fourth Proportional to 1,117,627,781.54, 1,542,256,845.28 and 615,808,482.88

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Solution

The fourth proportional to 1,117,627,781.54, 1,542,256,845.28 and 615,808,482.88 is: 849,777,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,627,781.54 : 1,542,256,845.28 = 615,808,482.88 : x
  2. Step 2: Convert to fraction form
    1,117,627,781.54/1,542,256,845.28 = 615,808,482.88/x
  3. Step 3: Cross multiply
    1,117,627,781.54x = 1,542,256,845.28 × 615,808,482.88
  4. Step 4: Simplify right side
    1,117,627,781.54x = 949,734,848,103,171,712
  5. Step 5: Solve for x
    x = 949,734,848,103,171,712/1,117,627,781.54
  6. Step 6: Final answer
    x = 849,777,415.87

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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.