Home / 805,788,511.55-1,208,682,767.33-288,235,836.35

Finding the Fourth Proportional to 805,788,511.55, 1,208,682,767.33 and 288,235,836.35

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Solution

The fourth proportional to 805,788,511.55, 1,208,682,767.33 and 288,235,836.35 is: 432,353,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,788,511.55 : 1,208,682,767.33 = 288,235,836.35 : x
  2. Step 2: Convert to fraction form
    805,788,511.55/1,208,682,767.33 = 288,235,836.35/x
  3. Step 3: Cross multiply
    805,788,511.55x = 1,208,682,767.33 × 288,235,836.35
  4. Step 4: Simplify right side
    805,788,511.55x = 348,385,688,321,753,856
  5. Step 5: Solve for x
    x = 348,385,688,321,753,856/805,788,511.55
  6. Step 6: Final answer
    x = 432,353,754.53

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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.