Home / 752,357,151.66-1,128,088,656.14-286,052,709.11

Finding the Fourth Proportional to 752,357,151.66, 1,128,088,656.14 and 286,052,709.11

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Solution

The fourth proportional to 752,357,151.66, 1,128,088,656.14 and 286,052,709.11 is: 428,909,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,357,151.66 : 1,128,088,656.14 = 286,052,709.11 : x
  2. Step 2: Convert to fraction form
    752,357,151.66/1,128,088,656.14 = 286,052,709.11/x
  3. Step 3: Cross multiply
    752,357,151.66x = 1,128,088,656.14 × 286,052,709.11
  4. Step 4: Simplify right side
    752,357,151.66x = 322,692,816,205,106,304
  5. Step 5: Solve for x
    x = 322,692,816,205,106,304/752,357,151.66
  6. Step 6: Final answer
    x = 428,909,083.27

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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.