Home / 1,391,329,669,558.70-2,087,296,416,338.60-423,212,948,626.70

Finding the Fourth Proportional to 1,391,329,669,558.70, 2,087,296,416,338.60 and 423,212,948,626.70

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Solution

The fourth proportional to 1,391,329,669,558.70, 2,087,296,416,338.60 and 423,212,948,626.70 is: 634,911,258,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,329,669,558.70 : 2,087,296,416,338.60 = 423,212,948,626.70 : x
  2. Step 2: Convert to fraction form
    1,391,329,669,558.70/2,087,296,416,338.60 = 423,212,948,626.70/x
  3. Step 3: Cross multiply
    1,391,329,669,558.70x = 2,087,296,416,338.60 × 423,212,948,626.70
  4. Step 4: Simplify right side
    1,391,329,669,558.70x = 883,370,871,016,603,005,222,912
  5. Step 5: Solve for x
    x = 883,370,871,016,603,005,222,912/1,391,329,669,558.70
  6. Step 6: Final answer
    x = 634,911,258,161.26

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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.