Home / 406,978,595.10-610,471,583.01-115,845,603.39

Finding the Fourth Proportional to 406,978,595.10, 610,471,583.01 and 115,845,603.39

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Solution

The fourth proportional to 406,978,595.10, 610,471,583.01 and 115,845,603.39 is: 173,769,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,978,595.10 : 610,471,583.01 = 115,845,603.39 : x
  2. Step 2: Convert to fraction form
    406,978,595.10/610,471,583.01 = 115,845,603.39/x
  3. Step 3: Cross multiply
    406,978,595.10x = 610,471,583.01 × 115,845,603.39
  4. Step 4: Simplify right side
    406,978,595.10x = 70,720,448,886,241,920
  5. Step 5: Solve for x
    x = 70,720,448,886,241,920/406,978,595.10
  6. Step 6: Final answer
    x = 173,769,455.54

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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.