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Finding the Fourth Proportional to 1,168,909,950.09, 1,753,590,510.54 and 381,751,984.70

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Solution

The fourth proportional to 1,168,909,950.09, 1,753,590,510.54 and 381,751,984.70 is: 572,701,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,909,950.09 : 1,753,590,510.54 = 381,751,984.70 : x
  2. Step 2: Convert to fraction form
    1,168,909,950.09/1,753,590,510.54 = 381,751,984.70/x
  3. Step 3: Cross multiply
    1,168,909,950.09x = 1,753,590,510.54 × 381,751,984.70
  4. Step 4: Simplify right side
    1,168,909,950.09x = 669,436,657,740,963,328
  5. Step 5: Solve for x
    x = 669,436,657,740,963,328/1,168,909,950.09
  6. Step 6: Final answer
    x = 572,701,650.54

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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.