Home / 472,393,896.30-708,590,844.45-407,770,670.70

Finding the Fourth Proportional to 472,393,896.30, 708,590,844.45 and 407,770,670.70

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Solution

The fourth proportional to 472,393,896.30, 708,590,844.45 and 407,770,670.70 is: 611,656,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,896.30 : 708,590,844.45 = 407,770,670.70 : x
  2. Step 2: Convert to fraction form
    472,393,896.30/708,590,844.45 = 407,770,670.70/x
  3. Step 3: Cross multiply
    472,393,896.30x = 708,590,844.45 × 407,770,670.70
  4. Step 4: Simplify right side
    472,393,896.30x = 288,942,563,893,255,872
  5. Step 5: Solve for x
    x = 288,942,563,893,255,872/472,393,896.30
  6. Step 6: Final answer
    x = 611,656,006.05

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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.