Home / 877,039,120.29-1,315,120,942.62-286,752,469.98

Finding the Fourth Proportional to 877,039,120.29, 1,315,120,942.62 and 286,752,469.98

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Solution

The fourth proportional to 877,039,120.29, 1,315,120,942.62 and 286,752,469.98 is: 429,985,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,039,120.29 : 1,315,120,942.62 = 286,752,469.98 : x
  2. Step 2: Convert to fraction form
    877,039,120.29/1,315,120,942.62 = 286,752,469.98/x
  3. Step 3: Cross multiply
    877,039,120.29x = 1,315,120,942.62 × 286,752,469.98
  4. Step 4: Simplify right side
    877,039,120.29x = 377,114,178,618,710,848
  5. Step 5: Solve for x
    x = 377,114,178,618,710,848/877,039,120.29
  6. Step 6: Final answer
    x = 429,985,584.33

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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.