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Finding the Fourth Proportional to 617,706,893.12, 926,559,596.04 and 157,645,111.64

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Solution

The fourth proportional to 617,706,893.12, 926,559,596.04 and 157,645,111.64 is: 236,467,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,706,893.12 : 926,559,596.04 = 157,645,111.64 : x
  2. Step 2: Convert to fraction form
    617,706,893.12/926,559,596.04 = 157,645,111.64/x
  3. Step 3: Cross multiply
    617,706,893.12x = 926,559,596.04 × 157,645,111.64
  4. Step 4: Simplify right side
    617,706,893.12x = 146,067,590,954,206,304
  5. Step 5: Solve for x
    x = 146,067,590,954,206,304/617,706,893.12
  6. Step 6: Final answer
    x = 236,467,477.67

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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.