Home / 403,579,320-605,368,986.64-96,871,432.48

Finding the Fourth Proportional to 403,579,320, 605,368,986.64 and 96,871,432.48

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Solution

The fourth proportional to 403,579,320, 605,368,986.64 and 96,871,432.48 is: 145,307,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,579,320 : 605,368,986.64 = 96,871,432.48 : x
  2. Step 2: Convert to fraction form
    403,579,320/605,368,986.64 = 96,871,432.48/x
  3. Step 3: Cross multiply
    403,579,320x = 605,368,986.64 × 96,871,432.48
  4. Step 4: Simplify right side
    403,579,320x = 58,642,960,914,782,784
  5. Step 5: Solve for x
    x = 58,642,960,914,782,784/403,579,320
  6. Step 6: Final answer
    x = 145,307,150.31

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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.