Home / 554,871,969.83-831,422,603.12-406,632,504.11

Finding the Fourth Proportional to 554,871,969.83, 831,422,603.12 and 406,632,504.11

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Solution

The fourth proportional to 554,871,969.83, 831,422,603.12 and 406,632,504.11 is: 609,299,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,871,969.83 : 831,422,603.12 = 406,632,504.11 : x
  2. Step 2: Convert to fraction form
    554,871,969.83/831,422,603.12 = 406,632,504.11/x
  3. Step 3: Cross multiply
    554,871,969.83x = 831,422,603.12 × 406,632,504.11
  4. Step 4: Simplify right side
    554,871,969.83x = 338,083,455,074,150,016
  5. Step 5: Solve for x
    x = 338,083,455,074,150,016/554,871,969.83
  6. Step 6: Final answer
    x = 609,299,934.86

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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.