Home / 617,650,819.20-926,476,228.80-208,701,064.80

Finding the Fourth Proportional to 617,650,819.20, 926,476,228.80 and 208,701,064.80

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Solution

The fourth proportional to 617,650,819.20, 926,476,228.80 and 208,701,064.80 is: 313,051,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,650,819.20 : 926,476,228.80 = 208,701,064.80 : x
  2. Step 2: Convert to fraction form
    617,650,819.20/926,476,228.80 = 208,701,064.80/x
  3. Step 3: Cross multiply
    617,650,819.20x = 926,476,228.80 × 208,701,064.80
  4. Step 4: Simplify right side
    617,650,819.20x = 193,356,575,462,448,416
  5. Step 5: Solve for x
    x = 193,356,575,462,448,416/617,650,819.20
  6. Step 6: Final answer
    x = 313,051,597.20

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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.