Home / 791,457,871.57-1,185,976,160.66-423,045,255.67

Finding the Fourth Proportional to 791,457,871.57, 1,185,976,160.66 and 423,045,255.67

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Solution

The fourth proportional to 791,457,871.57, 1,185,976,160.66 and 423,045,255.67 is: 633,920,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,457,871.57 : 1,185,976,160.66 = 423,045,255.67 : x
  2. Step 2: Convert to fraction form
    791,457,871.57/1,185,976,160.66 = 423,045,255.67/x
  3. Step 3: Cross multiply
    791,457,871.57x = 1,185,976,160.66 × 423,045,255.67
  4. Step 4: Simplify right side
    791,457,871.57x = 501,721,588,103,027,328
  5. Step 5: Solve for x
    x = 501,721,588,103,027,328/791,457,871.57
  6. Step 6: Final answer
    x = 633,920,775.98

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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.