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Finding the Fourth Proportional to 1,375,924,044.06, 1,898,658,544.41 and 773,047,466.82

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Solution

The fourth proportional to 1,375,924,044.06, 1,898,658,544.41 and 773,047,466.82 is: 1,066,739,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,924,044.06 : 1,898,658,544.41 = 773,047,466.82 : x
  2. Step 2: Convert to fraction form
    1,375,924,044.06/1,898,658,544.41 = 773,047,466.82/x
  3. Step 3: Cross multiply
    1,375,924,044.06x = 1,898,658,544.41 × 773,047,466.82
  4. Step 4: Simplify right side
    1,375,924,044.06x = 1,467,753,178,112,299,264
  5. Step 5: Solve for x
    x = 1,467,753,178,112,299,264/1,375,924,044.06
  6. Step 6: Final answer
    x = 1,066,739,973.36

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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.