Home / 752,357,215.44-1,128,088,749.94-286,052,772.40

Finding the Fourth Proportional to 752,357,215.44, 1,128,088,749.94 and 286,052,772.40

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Solution

The fourth proportional to 752,357,215.44, 1,128,088,749.94 and 286,052,772.40 is: 428,909,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,357,215.44 : 1,128,088,749.94 = 286,052,772.40 : x
  2. Step 2: Convert to fraction form
    752,357,215.44/1,128,088,749.94 = 286,052,772.40/x
  3. Step 3: Cross multiply
    752,357,215.44x = 1,128,088,749.94 × 286,052,772.40
  4. Step 4: Simplify right side
    752,357,215.44x = 322,692,914,430,051,968
  5. Step 5: Solve for x
    x = 322,692,914,430,051,968/752,357,215.44
  6. Step 6: Final answer
    x = 428,909,177.46

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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.