Home / 1,584,144,518.40-2,376,110,489.40-419,588,013.60

Finding the Fourth Proportional to 1,584,144,518.40, 2,376,110,489.40 and 419,588,013.60

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Solution

The fourth proportional to 1,584,144,518.40, 2,376,110,489.40 and 419,588,013.60 is: 629,353,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,144,518.40 : 2,376,110,489.40 = 419,588,013.60 : x
  2. Step 2: Convert to fraction form
    1,584,144,518.40/2,376,110,489.40 = 419,588,013.60/x
  3. Step 3: Cross multiply
    1,584,144,518.40x = 2,376,110,489.40 × 419,588,013.60
  4. Step 4: Simplify right side
    1,584,144,518.40x = 996,987,480,341,469,952
  5. Step 5: Solve for x
    x = 996,987,480,341,469,952/1,584,144,518.40
  6. Step 6: Final answer
    x = 629,353,868.14

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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.