Home / 322,569,415.30-483,917,108.55-128,447,796.10

Finding the Fourth Proportional to 322,569,415.30, 483,917,108.55 and 128,447,796.10

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Solution

The fourth proportional to 322,569,415.30, 483,917,108.55 and 128,447,796.10 is: 192,696,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,569,415.30 : 483,917,108.55 = 128,447,796.10 : x
  2. Step 2: Convert to fraction form
    322,569,415.30/483,917,108.55 = 128,447,796.10/x
  3. Step 3: Cross multiply
    322,569,415.30x = 483,917,108.55 × 128,447,796.10
  4. Step 4: Simplify right side
    322,569,415.30x = 62,158,086,088,331,968
  5. Step 5: Solve for x
    x = 62,158,086,088,331,968/322,569,415.30
  6. Step 6: Final answer
    x = 192,696,775.14

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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.