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Finding the Fourth Proportional to 1,610,020,921.20, 2,413,755,923.40 and 883,009,633.20

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Solution

The fourth proportional to 1,610,020,921.20, 2,413,755,923.40 and 883,009,633.20 is: 1,323,814,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,020,921.20 : 2,413,755,923.40 = 883,009,633.20 : x
  2. Step 2: Convert to fraction form
    1,610,020,921.20/2,413,755,923.40 = 883,009,633.20/x
  3. Step 3: Cross multiply
    1,610,020,921.20x = 2,413,755,923.40 × 883,009,633.20
  4. Step 4: Simplify right side
    1,610,020,921.20x = 2,131,369,732,555,761,408
  5. Step 5: Solve for x
    x = 2,131,369,732,555,761,408/1,610,020,921.20
  6. Step 6: Final answer
    x = 1,323,814,929.66

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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.