Home / 642,892,794,266.88-964,341,718,391.28-260,444,093,898.24

Finding the Fourth Proportional to 642,892,794,266.88, 964,341,718,391.28 and 260,444,093,898.24

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Solution

The fourth proportional to 642,892,794,266.88, 964,341,718,391.28 and 260,444,093,898.24 is: 390,667,164,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,892,794,266.88 : 964,341,718,391.28 = 260,444,093,898.24 : x
  2. Step 2: Convert to fraction form
    642,892,794,266.88/964,341,718,391.28 = 260,444,093,898.24/x
  3. Step 3: Cross multiply
    642,892,794,266.88x = 964,341,718,391.28 × 260,444,093,898.24
  4. Step 4: Simplify right side
    642,892,794,266.88x = 251,157,105,054,688,647,053,312
  5. Step 5: Solve for x
    x = 251,157,105,054,688,647,053,312/642,892,794,266.88
  6. Step 6: Final answer
    x = 390,667,164,563.72

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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.