Home / 474,366,923.29-654,590,612.14-288,707,419.45

Finding the Fourth Proportional to 474,366,923.29, 654,590,612.14 and 288,707,419.45

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Solution

The fourth proportional to 474,366,923.29, 654,590,612.14 and 288,707,419.45 is: 398,394,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,366,923.29 : 654,590,612.14 = 288,707,419.45 : x
  2. Step 2: Convert to fraction form
    474,366,923.29/654,590,612.14 = 288,707,419.45/x
  3. Step 3: Cross multiply
    474,366,923.29x = 654,590,612.14 × 288,707,419.45
  4. Step 4: Simplify right side
    474,366,923.29x = 188,985,166,427,135,232
  5. Step 5: Solve for x
    x = 188,985,166,427,135,232/474,366,923.29
  6. Step 6: Final answer
    x = 398,394,485.68

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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.