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Finding the Fourth Proportional to 1,600,627,450, 2,208,865,881 and 868,066,042

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Solution

The fourth proportional to 1,600,627,450, 2,208,865,881 and 868,066,042 is: 1,197,931,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,627,450 : 2,208,865,881 = 868,066,042 : x
  2. Step 2: Convert to fraction form
    1,600,627,450/2,208,865,881 = 868,066,042/x
  3. Step 3: Cross multiply
    1,600,627,450x = 2,208,865,881 × 868,066,042
  4. Step 4: Simplify right side
    1,600,627,450x = 1,917,441,462,628,513,024
  5. Step 5: Solve for x
    x = 1,917,441,462,628,513,024/1,600,627,450
  6. Step 6: Final answer
    x = 1,197,931,137.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.