Home / 504,001,569.60-755,405,157.60-212,868,129.60

Finding the Fourth Proportional to 504,001,569.60, 755,405,157.60 and 212,868,129.60

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Solution

The fourth proportional to 504,001,569.60, 755,405,157.60 and 212,868,129.60 is: 319,049,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,001,569.60 : 755,405,157.60 = 212,868,129.60 : x
  2. Step 2: Convert to fraction form
    504,001,569.60/755,405,157.60 = 212,868,129.60/x
  3. Step 3: Cross multiply
    504,001,569.60x = 755,405,157.60 × 212,868,129.60
  4. Step 4: Simplify right side
    504,001,569.60x = 160,801,682,988,505,216
  5. Step 5: Solve for x
    x = 160,801,682,988,505,216/504,001,569.60
  6. Step 6: Final answer
    x = 319,049,964.70

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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.