Home / 438,983,488.98-658,475,517.78-111,483,563.22

Finding the Fourth Proportional to 438,983,488.98, 658,475,517.78 and 111,483,563.22

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Solution

The fourth proportional to 438,983,488.98, 658,475,517.78 and 111,483,563.22 is: 167,225,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,983,488.98 : 658,475,517.78 = 111,483,563.22 : x
  2. Step 2: Convert to fraction form
    438,983,488.98/658,475,517.78 = 111,483,563.22/x
  3. Step 3: Cross multiply
    438,983,488.98x = 658,475,517.78 × 111,483,563.22
  4. Step 4: Simplify right side
    438,983,488.98x = 73,409,197,015,248,864
  5. Step 5: Solve for x
    x = 73,409,197,015,248,864/438,983,488.98
  6. Step 6: Final answer
    x = 167,225,417.03

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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.