Home / 752,357,218.70-1,128,088,754.80-286,052,775.66

Finding the Fourth Proportional to 752,357,218.70, 1,128,088,754.80 and 286,052,775.66

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Solution

The fourth proportional to 752,357,218.70, 1,128,088,754.80 and 286,052,775.66 is: 428,909,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,357,218.70 : 1,128,088,754.80 = 286,052,775.66 : x
  2. Step 2: Convert to fraction form
    752,357,218.70/1,128,088,754.80 = 286,052,775.66/x
  3. Step 3: Cross multiply
    752,357,218.70x = 1,128,088,754.80 × 286,052,775.66
  4. Step 4: Simplify right side
    752,357,218.70x = 322,692,919,501,373,184
  5. Step 5: Solve for x
    x = 322,692,919,501,373,184/752,357,218.70
  6. Step 6: Final answer
    x = 428,909,182.34

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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.