Home / 651,844,297.20-977,766,445.80-215,212,371.60

Finding the Fourth Proportional to 651,844,297.20, 977,766,445.80 and 215,212,371.60

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Solution

The fourth proportional to 651,844,297.20, 977,766,445.80 and 215,212,371.60 is: 322,818,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,844,297.20 : 977,766,445.80 = 215,212,371.60 : x
  2. Step 2: Convert to fraction form
    651,844,297.20/977,766,445.80 = 215,212,371.60/x
  3. Step 3: Cross multiply
    651,844,297.20x = 977,766,445.80 × 215,212,371.60
  4. Step 4: Simplify right side
    651,844,297.20x = 210,427,435,671,520,832
  5. Step 5: Solve for x
    x = 210,427,435,671,520,832/651,844,297.20
  6. Step 6: Final answer
    x = 322,818,557.40

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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.