Home / 948,252,618.22-1,308,623,649.54-519,119,989.36

Finding the Fourth Proportional to 948,252,618.22, 1,308,623,649.54 and 519,119,989.36

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Solution

The fourth proportional to 948,252,618.22, 1,308,623,649.54 and 519,119,989.36 is: 716,404,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,252,618.22 : 1,308,623,649.54 = 519,119,989.36 : x
  2. Step 2: Convert to fraction form
    948,252,618.22/1,308,623,649.54 = 519,119,989.36/x
  3. Step 3: Cross multiply
    948,252,618.22x = 1,308,623,649.54 × 519,119,989.36
  4. Step 4: Simplify right side
    948,252,618.22x = 679,332,695,025,449,216
  5. Step 5: Solve for x
    x = 679,332,695,025,449,216/948,252,618.22
  6. Step 6: Final answer
    x = 716,404,765.96

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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.