Home / 1,230,603,401.70-1,845,905,102.55-1,187,605,232.10

Finding the Fourth Proportional to 1,230,603,401.70, 1,845,905,102.55 and 1,187,605,232.10

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Solution

The fourth proportional to 1,230,603,401.70, 1,845,905,102.55 and 1,187,605,232.10 is: 1,781,407,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,603,401.70 : 1,845,905,102.55 = 1,187,605,232.10 : x
  2. Step 2: Convert to fraction form
    1,230,603,401.70/1,845,905,102.55 = 1,187,605,232.10/x
  3. Step 3: Cross multiply
    1,230,603,401.70x = 1,845,905,102.55 × 1,187,605,232.10
  4. Step 4: Simplify right side
    1,230,603,401.70x = 2,192,206,557,748,466,944
  5. Step 5: Solve for x
    x = 2,192,206,557,748,466,944/1,230,603,401.70
  6. Step 6: Final answer
    x = 1,781,407,848.15

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Double scale
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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.