Home / 448,011,411.20-672,017,116.80-325,567,404.80

Finding the Fourth Proportional to 448,011,411.20, 672,017,116.80 and 325,567,404.80

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Solution

The fourth proportional to 448,011,411.20, 672,017,116.80 and 325,567,404.80 is: 488,351,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,011,411.20 : 672,017,116.80 = 325,567,404.80 : x
  2. Step 2: Convert to fraction form
    448,011,411.20/672,017,116.80 = 325,567,404.80/x
  3. Step 3: Cross multiply
    448,011,411.20x = 672,017,116.80 × 325,567,404.80
  4. Step 4: Simplify right side
    448,011,411.20x = 218,786,868,697,754,464
  5. Step 5: Solve for x
    x = 218,786,868,697,754,464/448,011,411.20
  6. Step 6: Final answer
    x = 488,351,107.20

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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.