Home / 677,856,015.99-1,017,176,307.69-284,347,600.91

Finding the Fourth Proportional to 677,856,015.99, 1,017,176,307.69 and 284,347,600.91

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Solution

The fourth proportional to 677,856,015.99, 1,017,176,307.69 and 284,347,600.91 is: 426,685,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,856,015.99 : 1,017,176,307.69 = 284,347,600.91 : x
  2. Step 2: Convert to fraction form
    677,856,015.99/1,017,176,307.69 = 284,347,600.91/x
  3. Step 3: Cross multiply
    677,856,015.99x = 1,017,176,307.69 × 284,347,600.91
  4. Step 4: Simplify right side
    677,856,015.99x = 289,231,642,793,942,336
  5. Step 5: Solve for x
    x = 289,231,642,793,942,336/677,856,015.99
  6. Step 6: Final answer
    x = 426,685,956.86

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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.