Home / 554,871,975.36-831,422,611.36-406,632,509.61

Finding the Fourth Proportional to 554,871,975.36, 831,422,611.36 and 406,632,509.61

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Solution

The fourth proportional to 554,871,975.36, 831,422,611.36 and 406,632,509.61 is: 609,299,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,871,975.36 : 831,422,611.36 = 406,632,509.61 : x
  2. Step 2: Convert to fraction form
    554,871,975.36/831,422,611.36 = 406,632,509.61/x
  3. Step 3: Cross multiply
    554,871,975.36x = 831,422,611.36 × 406,632,509.61
  4. Step 4: Simplify right side
    554,871,975.36x = 338,083,463,003,816,512
  5. Step 5: Solve for x
    x = 338,083,463,003,816,512/554,871,975.36
  6. Step 6: Final answer
    x = 609,299,943.08

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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.