Home / 791,457,874.70-1,185,976,165.34-423,045,258.80

Finding the Fourth Proportional to 791,457,874.70, 1,185,976,165.34 and 423,045,258.80

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Solution

The fourth proportional to 791,457,874.70, 1,185,976,165.34 and 423,045,258.80 is: 633,920,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,457,874.70 : 1,185,976,165.34 = 423,045,258.80 : x
  2. Step 2: Convert to fraction form
    791,457,874.70/1,185,976,165.34 = 423,045,258.80/x
  3. Step 3: Cross multiply
    791,457,874.70x = 1,185,976,165.34 × 423,045,258.80
  4. Step 4: Simplify right side
    791,457,874.70x = 501,721,593,796,891,840
  5. Step 5: Solve for x
    x = 501,721,593,796,891,840/791,457,874.70
  6. Step 6: Final answer
    x = 633,920,780.67

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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.