Home / 749,361,796.40-1,124,042,694.60-476,928,081.20

Finding the Fourth Proportional to 749,361,796.40, 1,124,042,694.60 and 476,928,081.20

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Solution

The fourth proportional to 749,361,796.40, 1,124,042,694.60 and 476,928,081.20 is: 715,392,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,361,796.40 : 1,124,042,694.60 = 476,928,081.20 : x
  2. Step 2: Convert to fraction form
    749,361,796.40/1,124,042,694.60 = 476,928,081.20/x
  3. Step 3: Cross multiply
    749,361,796.40x = 1,124,042,694.60 × 476,928,081.20
  4. Step 4: Simplify right side
    749,361,796.40x = 536,087,525,522,455,552
  5. Step 5: Solve for x
    x = 536,087,525,522,455,552/749,361,796.40
  6. Step 6: Final answer
    x = 715,392,121.80

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Double scale
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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.