Home / 512,052,146.35-767,767,191.47-200,786,862.02

Finding the Fourth Proportional to 512,052,146.35, 767,767,191.47 and 200,786,862.02

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Solution

The fourth proportional to 512,052,146.35, 767,767,191.47 and 200,786,862.02 is: 301,058,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,052,146.35 : 767,767,191.47 = 200,786,862.02 : x
  2. Step 2: Convert to fraction form
    512,052,146.35/767,767,191.47 = 200,786,862.02/x
  3. Step 3: Cross multiply
    512,052,146.35x = 767,767,191.47 × 200,786,862.02
  4. Step 4: Simplify right side
    512,052,146.35x = 154,157,565,134,210,400
  5. Step 5: Solve for x
    x = 154,157,565,134,210,400/512,052,146.35
  6. Step 6: Final answer
    x = 301,058,332.11

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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.