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Finding the Fourth Proportional to 1,636,795,838.90, 2,455,193,758.35 and 1,636,795,838.90

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Solution

The fourth proportional to 1,636,795,838.90, 2,455,193,758.35 and 1,636,795,838.90 is: 2,455,193,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,795,838.90 : 2,455,193,758.35 = 1,636,795,838.90 : x
  2. Step 2: Convert to fraction form
    1,636,795,838.90/2,455,193,758.35 = 1,636,795,838.90/x
  3. Step 3: Cross multiply
    1,636,795,838.90x = 2,455,193,758.35 × 1,636,795,838.90
  4. Step 4: Simplify right side
    1,636,795,838.90x = 4,018,650,927,360,531,968
  5. Step 5: Solve for x
    x = 4,018,650,927,360,531,968/1,636,795,838.90
  6. Step 6: Final answer
    x = 2,455,193,758.35

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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.