Home / 438,983,482.97-658,475,508.77-111,483,557.21

Finding the Fourth Proportional to 438,983,482.97, 658,475,508.77 and 111,483,557.21

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Solution

The fourth proportional to 438,983,482.97, 658,475,508.77 and 111,483,557.21 is: 167,225,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,983,482.97 : 658,475,508.77 = 111,483,557.21 : x
  2. Step 2: Convert to fraction form
    438,983,482.97/658,475,508.77 = 111,483,557.21/x
  3. Step 3: Cross multiply
    438,983,482.97x = 658,475,508.77 × 111,483,557.21
  4. Step 4: Simplify right side
    438,983,482.97x = 73,409,192,054,850,992
  5. Step 5: Solve for x
    x = 73,409,192,054,850,992/438,983,482.97
  6. Step 6: Final answer
    x = 167,225,408.02

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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.