Home / 1,383,885,034,761.20-1,909,760,683,729.40-827,690,152,045.60

Finding the Fourth Proportional to 1,383,885,034,761.20, 1,909,760,683,729.40 and 827,690,152,045.60

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Solution

The fourth proportional to 1,383,885,034,761.20, 1,909,760,683,729.40 and 827,690,152,045.60 is: 1,142,212,012,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,885,034,761.20 : 1,909,760,683,729.40 = 827,690,152,045.60 : x
  2. Step 2: Convert to fraction form
    1,383,885,034,761.20/1,909,760,683,729.40 = 827,690,152,045.60/x
  3. Step 3: Cross multiply
    1,383,885,034,761.20x = 1,909,760,683,729.40 × 827,690,152,045.60
  4. Step 4: Simplify right side
    1,383,885,034,761.20x = 1,580,690,110,686,696,075,952,128
  5. Step 5: Solve for x
    x = 1,580,690,110,686,696,075,952,128/1,383,885,034,761.20
  6. Step 6: Final answer
    x = 1,142,212,012,545.87

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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.