Home / 702,681,279.24-1,054,242,196.74-422,867,508.24

Finding the Fourth Proportional to 702,681,279.24, 1,054,242,196.74 and 422,867,508.24

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Solution

The fourth proportional to 702,681,279.24, 1,054,242,196.74 and 422,867,508.24 is: 634,433,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,681,279.24 : 1,054,242,196.74 = 422,867,508.24 : x
  2. Step 2: Convert to fraction form
    702,681,279.24/1,054,242,196.74 = 422,867,508.24/x
  3. Step 3: Cross multiply
    702,681,279.24x = 1,054,242,196.74 × 422,867,508.24
  4. Step 4: Simplify right side
    702,681,279.24x = 445,804,770,816,907,648
  5. Step 5: Solve for x
    x = 445,804,770,816,907,648/702,681,279.24
  6. Step 6: Final answer
    x = 634,433,823.68

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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.