Home / 433,907,823.68-651,034,202.22-138,848,405.45

Finding the Fourth Proportional to 433,907,823.68, 651,034,202.22 and 138,848,405.45

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Solution

The fourth proportional to 433,907,823.68, 651,034,202.22 and 138,848,405.45 is: 208,327,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,907,823.68 : 651,034,202.22 = 138,848,405.45 : x
  2. Step 2: Convert to fraction form
    433,907,823.68/651,034,202.22 = 138,848,405.45/x
  3. Step 3: Cross multiply
    433,907,823.68x = 651,034,202.22 × 138,848,405.45
  4. Step 4: Simplify right side
    433,907,823.68x = 90,395,060,868,404,672
  5. Step 5: Solve for x
    x = 90,395,060,868,404,672/433,907,823.68
  6. Step 6: Final answer
    x = 208,327,796.68

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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.