Home / 2,865,363,999.85-4,298,045,999.78-2,636,040,428.65

Finding the Fourth Proportional to 2,865,363,999.85, 4,298,045,999.78 and 2,636,040,428.65

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Solution

The fourth proportional to 2,865,363,999.85, 4,298,045,999.78 and 2,636,040,428.65 is: 3,954,060,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,363,999.85 : 4,298,045,999.78 = 2,636,040,428.65 : x
  2. Step 2: Convert to fraction form
    2,865,363,999.85/4,298,045,999.78 = 2,636,040,428.65/x
  3. Step 3: Cross multiply
    2,865,363,999.85x = 4,298,045,999.78 × 2,636,040,428.65
  4. Step 4: Simplify right side
    2,865,363,999.85x = 11,329,823,019,604,307,968
  5. Step 5: Solve for x
    x = 11,329,823,019,604,307,968/2,865,363,999.85
  6. Step 6: Final answer
    x = 3,954,060,642.98

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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.