Home / 457,565,682.84-685,774,075.90-247,467,993.78

Finding the Fourth Proportional to 457,565,682.84, 685,774,075.90 and 247,467,993.78

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Solution

The fourth proportional to 457,565,682.84, 685,774,075.90 and 247,467,993.78 is: 370,891,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,565,682.84 : 685,774,075.90 = 247,467,993.78 : x
  2. Step 2: Convert to fraction form
    457,565,682.84/685,774,075.90 = 247,467,993.78/x
  3. Step 3: Cross multiply
    457,565,682.84x = 685,774,075.90 × 247,467,993.78
  4. Step 4: Simplify right side
    457,565,682.84x = 169,707,134,749,306,432
  5. Step 5: Solve for x
    x = 169,707,134,749,306,432/457,565,682.84
  6. Step 6: Final answer
    x = 370,891,308.32

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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.