Home / 474,366,900.35-654,590,580.49-288,707,396.51

Finding the Fourth Proportional to 474,366,900.35, 654,590,580.49 and 288,707,396.51

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Solution

The fourth proportional to 474,366,900.35, 654,590,580.49 and 288,707,396.51 is: 398,394,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,366,900.35 : 654,590,580.49 = 288,707,396.51 : x
  2. Step 2: Convert to fraction form
    474,366,900.35/654,590,580.49 = 288,707,396.51/x
  3. Step 3: Cross multiply
    474,366,900.35x = 654,590,580.49 × 288,707,396.51
  4. Step 4: Simplify right side
    474,366,900.35x = 188,985,142,275,234,848
  5. Step 5: Solve for x
    x = 188,985,142,275,234,848/474,366,900.35
  6. Step 6: Final answer
    x = 398,394,454.03

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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.