Home / 752,357,157.22-1,128,088,664.62-286,052,714.78

Finding the Fourth Proportional to 752,357,157.22, 1,128,088,664.62 and 286,052,714.78

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Solution

The fourth proportional to 752,357,157.22, 1,128,088,664.62 and 286,052,714.78 is: 428,909,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,357,157.22 : 1,128,088,664.62 = 286,052,714.78 : x
  2. Step 2: Convert to fraction form
    752,357,157.22/1,128,088,664.62 = 286,052,714.78/x
  3. Step 3: Cross multiply
    752,357,157.22x = 1,128,088,664.62 × 286,052,714.78
  4. Step 4: Simplify right side
    752,357,157.22x = 322,692,825,027,095,872
  5. Step 5: Solve for x
    x = 322,692,825,027,095,872/752,357,157.22
  6. Step 6: Final answer
    x = 428,909,091.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.