Home / 386,174,433.60-579,261,650.40-230,977,915.20

Finding the Fourth Proportional to 386,174,433.60, 579,261,650.40 and 230,977,915.20

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Solution

The fourth proportional to 386,174,433.60, 579,261,650.40 and 230,977,915.20 is: 346,466,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,174,433.60 : 579,261,650.40 = 230,977,915.20 : x
  2. Step 2: Convert to fraction form
    386,174,433.60/579,261,650.40 = 230,977,915.20/x
  3. Step 3: Cross multiply
    386,174,433.60x = 579,261,650.40 × 230,977,915.20
  4. Step 4: Simplify right side
    386,174,433.60x = 133,796,648,364,703,232
  5. Step 5: Solve for x
    x = 133,796,648,364,703,232/386,174,433.60
  6. Step 6: Final answer
    x = 346,466,872.80

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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.