Home / 940,053,688.47-1,296,871,643.16-587,016,765.18

Finding the Fourth Proportional to 940,053,688.47, 1,296,871,643.16 and 587,016,765.18

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Solution

The fourth proportional to 940,053,688.47, 1,296,871,643.16 and 587,016,765.18 is: 809,831,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,053,688.47 : 1,296,871,643.16 = 587,016,765.18 : x
  2. Step 2: Convert to fraction form
    940,053,688.47/1,296,871,643.16 = 587,016,765.18/x
  3. Step 3: Cross multiply
    940,053,688.47x = 1,296,871,643.16 × 587,016,765.18
  4. Step 4: Simplify right side
    940,053,688.47x = 761,285,396,821,454,464
  5. Step 5: Solve for x
    x = 761,285,396,821,454,464/940,053,688.47
  6. Step 6: Final answer
    x = 809,831,827.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.