Home / 365,972,115.40-549,383,325.90-220,569,857.80

Finding the Fourth Proportional to 365,972,115.40, 549,383,325.90 and 220,569,857.80

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Solution

The fourth proportional to 365,972,115.40, 549,383,325.90 and 220,569,857.80 is: 331,111,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,972,115.40 : 549,383,325.90 = 220,569,857.80 : x
  2. Step 2: Convert to fraction form
    365,972,115.40/549,383,325.90 = 220,569,857.80/x
  3. Step 3: Cross multiply
    365,972,115.40x = 549,383,325.90 × 220,569,857.80
  4. Step 4: Simplify right side
    365,972,115.40x = 121,177,402,071,454,064
  5. Step 5: Solve for x
    x = 121,177,402,071,454,064/365,972,115.40
  6. Step 6: Final answer
    x = 331,111,024.51

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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.