Home / 517,833,428.82-777,056,597.21-190,538,783.72

Finding the Fourth Proportional to 517,833,428.82, 777,056,597.21 and 190,538,783.72

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Solution

The fourth proportional to 517,833,428.82, 777,056,597.21 and 190,538,783.72 is: 285,920,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,833,428.82 : 777,056,597.21 = 190,538,783.72 : x
  2. Step 2: Convert to fraction form
    517,833,428.82/777,056,597.21 = 190,538,783.72/x
  3. Step 3: Cross multiply
    517,833,428.82x = 777,056,597.21 × 190,538,783.72
  4. Step 4: Simplify right side
    517,833,428.82x = 148,059,418,913,995,360
  5. Step 5: Solve for x
    x = 148,059,418,913,995,360/517,833,428.82
  6. Step 6: Final answer
    x = 285,920,936.49

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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.