Home / 517,833,438.69-777,056,612.04-190,538,793.63

Finding the Fourth Proportional to 517,833,438.69, 777,056,612.04 and 190,538,793.63

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Solution

The fourth proportional to 517,833,438.69, 777,056,612.04 and 190,538,793.63 is: 285,920,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,833,438.69 : 777,056,612.04 = 190,538,793.63 : x
  2. Step 2: Convert to fraction form
    517,833,438.69/777,056,612.04 = 190,538,793.63/x
  3. Step 3: Cross multiply
    517,833,438.69x = 777,056,612.04 × 190,538,793.63
  4. Step 4: Simplify right side
    517,833,438.69x = 148,059,429,440,316,512
  5. Step 5: Solve for x
    x = 148,059,429,440,316,512/517,833,438.69
  6. Step 6: Final answer
    x = 285,920,951.37

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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.