Home / 647,007,458.02-892,910,305.10-356,994,113.05

Finding the Fourth Proportional to 647,007,458.02, 892,910,305.10 and 356,994,113.05

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Solution

The fourth proportional to 647,007,458.02, 892,910,305.10 and 356,994,113.05 is: 492,673,953.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,007,458.02 : 892,910,305.10 = 356,994,113.05 : x
  2. Step 2: Convert to fraction form
    647,007,458.02/892,910,305.10 = 356,994,113.05/x
  3. Step 3: Cross multiply
    647,007,458.02x = 892,910,305.10 × 356,994,113.05
  4. Step 4: Simplify right side
    647,007,458.02x = 318,763,722,398,362,176
  5. Step 5: Solve for x
    x = 318,763,722,398,362,176/647,007,458.02
  6. Step 6: Final answer
    x = 492,673,953.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.