Home / 1,117,733,181.54-1,542,481,991.34-615,959,968.78

Finding the Fourth Proportional to 1,117,733,181.54, 1,542,481,991.34 and 615,959,968.78

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Solution

The fourth proportional to 1,117,733,181.54, 1,542,481,991.34 and 615,959,968.78 is: 850,030,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,733,181.54 : 1,542,481,991.34 = 615,959,968.78 : x
  2. Step 2: Convert to fraction form
    1,117,733,181.54/1,542,481,991.34 = 615,959,968.78/x
  3. Step 3: Cross multiply
    1,117,733,181.54x = 1,542,481,991.34 × 615,959,968.78
  4. Step 4: Simplify right side
    1,117,733,181.54x = 950,107,159,235,191,168
  5. Step 5: Solve for x
    x = 950,107,159,235,191,168/1,117,733,181.54
  6. Step 6: Final answer
    x = 850,030,378.38

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Half scale
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Double scale
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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.