Home / 517,833,453.72-777,056,634.54-190,538,808.60

Finding the Fourth Proportional to 517,833,453.72, 777,056,634.54 and 190,538,808.60

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Solution

The fourth proportional to 517,833,453.72, 777,056,634.54 and 190,538,808.60 is: 285,920,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,833,453.72 : 777,056,634.54 = 190,538,808.60 : x
  2. Step 2: Convert to fraction form
    517,833,453.72/777,056,634.54 = 190,538,808.60/x
  3. Step 3: Cross multiply
    517,833,453.72x = 777,056,634.54 × 190,538,808.60
  4. Step 4: Simplify right side
    517,833,453.72x = 148,059,445,359,977,184
  5. Step 5: Solve for x
    x = 148,059,445,359,977,184/517,833,453.72
  6. Step 6: Final answer
    x = 285,920,973.81

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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.