Home / 787,209,560.74-1,180,818,755.30-262,577,222.34

Finding the Fourth Proportional to 787,209,560.74, 1,180,818,755.30 and 262,577,222.34

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Solution

The fourth proportional to 787,209,560.74, 1,180,818,755.30 and 262,577,222.34 is: 393,867,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,209,560.74 : 1,180,818,755.30 = 262,577,222.34 : x
  2. Step 2: Convert to fraction form
    787,209,560.74/1,180,818,755.30 = 262,577,222.34/x
  3. Step 3: Cross multiply
    787,209,560.74x = 1,180,818,755.30 × 262,577,222.34
  4. Step 4: Simplify right side
    787,209,560.74x = 310,056,108,853,650,176
  5. Step 5: Solve for x
    x = 310,056,108,853,650,176/787,209,560.74
  6. Step 6: Final answer
    x = 393,867,305.88

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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.