Home / 617,706,910.12-926,559,621.56-157,645,128.64

Finding the Fourth Proportional to 617,706,910.12, 926,559,621.56 and 157,645,128.64

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Solution

The fourth proportional to 617,706,910.12, 926,559,621.56 and 157,645,128.64 is: 236,467,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,706,910.12 : 926,559,621.56 = 157,645,128.64 : x
  2. Step 2: Convert to fraction form
    617,706,910.12/926,559,621.56 = 157,645,128.64/x
  3. Step 3: Cross multiply
    617,706,910.12x = 926,559,621.56 × 157,645,128.64
  4. Step 4: Simplify right side
    617,706,910.12x = 146,067,610,733,455,904
  5. Step 5: Solve for x
    x = 146,067,610,733,455,904/617,706,910.12
  6. Step 6: Final answer
    x = 236,467,503.18

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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.