Home / 388,476,119.10-583,128,997.83-167,257,012.32

Finding the Fourth Proportional to 388,476,119.10, 583,128,997.83 and 167,257,012.32

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Solution

The fourth proportional to 388,476,119.10, 583,128,997.83 and 167,257,012.32 is: 251,064,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,476,119.10 : 583,128,997.83 = 167,257,012.32 : x
  2. Step 2: Convert to fraction form
    388,476,119.10/583,128,997.83 = 167,257,012.32/x
  3. Step 3: Cross multiply
    388,476,119.10x = 583,128,997.83 × 167,257,012.32
  4. Step 4: Simplify right side
    388,476,119.10x = 97,532,413,974,201,568
  5. Step 5: Solve for x
    x = 97,532,413,974,201,568/388,476,119.10
  6. Step 6: Final answer
    x = 251,064,117.40

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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.