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Finding the Fourth Proportional to 606,636,009.40, 909,954,014.64 and 606,636,009.40

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Solution

The fourth proportional to 606,636,009.40, 909,954,014.64 and 606,636,009.40 is: 909,954,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,636,009.40 : 909,954,014.64 = 606,636,009.40 : x
  2. Step 2: Convert to fraction form
    606,636,009.40/909,954,014.64 = 606,636,009.40/x
  3. Step 3: Cross multiply
    606,636,009.40x = 909,954,014.64 × 606,636,009.40
  4. Step 4: Simplify right side
    606,636,009.40x = 552,010,872,178,718,720
  5. Step 5: Solve for x
    x = 552,010,872,178,718,720/606,636,009.40
  6. Step 6: Final answer
    x = 909,954,014.64

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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.