Home / 474,366,911.48-654,590,595.84-288,707,407.64

Finding the Fourth Proportional to 474,366,911.48, 654,590,595.84 and 288,707,407.64

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Solution

The fourth proportional to 474,366,911.48, 654,590,595.84 and 288,707,407.64 is: 398,394,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,366,911.48 : 654,590,595.84 = 288,707,407.64 : x
  2. Step 2: Convert to fraction form
    474,366,911.48/654,590,595.84 = 288,707,407.64/x
  3. Step 3: Cross multiply
    474,366,911.48x = 654,590,595.84 × 288,707,407.64
  4. Step 4: Simplify right side
    474,366,911.48x = 188,985,153,990,489,376
  5. Step 5: Solve for x
    x = 188,985,153,990,489,376/474,366,911.48
  6. Step 6: Final answer
    x = 398,394,469.38

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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.