Home / 698,014,540,917.78-1,046,935,152,833.90-188,113,198,646.55

Finding the Fourth Proportional to 698,014,540,917.78, 1,046,935,152,833.90 and 188,113,198,646.55

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Solution

The fourth proportional to 698,014,540,917.78, 1,046,935,152,833.90 and 188,113,198,646.55 is: 282,146,443,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,014,540,917.78 : 1,046,935,152,833.90 = 188,113,198,646.55 : x
  2. Step 2: Convert to fraction form
    698,014,540,917.78/1,046,935,152,833.90 = 188,113,198,646.55/x
  3. Step 3: Cross multiply
    698,014,540,917.78x = 1,046,935,152,833.90 × 188,113,198,646.55
  4. Step 4: Simplify right side
    698,014,540,917.78x = 196,942,320,375,099,616,657,408
  5. Step 5: Solve for x
    x = 196,942,320,375,099,616,657,408/698,014,540,917.78
  6. Step 6: Final answer
    x = 282,146,443,706.10

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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.