Home / 1,123,804,305,408.10-1,686,069,493,937.40-519,825,708,363.16

Finding the Fourth Proportional to 1,123,804,305,408.10, 1,686,069,493,937.40 and 519,825,708,363.16

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Solution

The fourth proportional to 1,123,804,305,408.10, 1,686,069,493,937.40 and 519,825,708,363.16 is: 779,906,488,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,804,305,408.10 : 1,686,069,493,937.40 = 519,825,708,363.16 : x
  2. Step 2: Convert to fraction form
    1,123,804,305,408.10/1,686,069,493,937.40 = 519,825,708,363.16/x
  3. Step 3: Cross multiply
    1,123,804,305,408.10x = 1,686,069,493,937.40 × 519,825,708,363.16
  4. Step 4: Simplify right side
    1,123,804,305,408.10x = 876,462,269,035,523,564,634,112
  5. Step 5: Solve for x
    x = 876,462,269,035,523,564,634,112/1,123,804,305,408.10
  6. Step 6: Final answer
    x = 779,906,488,004.82

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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.