Home / 752,357,216.69-1,128,088,751.81-286,052,773.66

Finding the Fourth Proportional to 752,357,216.69, 1,128,088,751.81 and 286,052,773.66

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Solution

The fourth proportional to 752,357,216.69, 1,128,088,751.81 and 286,052,773.66 is: 428,909,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,357,216.69 : 1,128,088,751.81 = 286,052,773.66 : x
  2. Step 2: Convert to fraction form
    752,357,216.69/1,128,088,751.81 = 286,052,773.66/x
  3. Step 3: Cross multiply
    752,357,216.69x = 1,128,088,751.81 × 286,052,773.66
  4. Step 4: Simplify right side
    752,357,216.69x = 322,692,916,382,827,136
  5. Step 5: Solve for x
    x = 322,692,916,382,827,136/752,357,216.69
  6. Step 6: Final answer
    x = 428,909,179.34

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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.