Home / 472,393,478.70-708,590,218.05-264,918,912.30

Finding the Fourth Proportional to 472,393,478.70, 708,590,218.05 and 264,918,912.30

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Solution

The fourth proportional to 472,393,478.70, 708,590,218.05 and 264,918,912.30 is: 397,378,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,478.70 : 708,590,218.05 = 264,918,912.30 : x
  2. Step 2: Convert to fraction form
    472,393,478.70/708,590,218.05 = 264,918,912.30/x
  3. Step 3: Cross multiply
    472,393,478.70x = 708,590,218.05 × 264,918,912.30
  4. Step 4: Simplify right side
    472,393,478.70x = 187,718,949,832,225,824
  5. Step 5: Solve for x
    x = 187,718,949,832,225,824/472,393,478.70
  6. Step 6: Final answer
    x = 397,378,368.45

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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.