Home / 438,983,496.50-658,475,529.03-111,483,570.74

Finding the Fourth Proportional to 438,983,496.50, 658,475,529.03 and 111,483,570.74

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Solution

The fourth proportional to 438,983,496.50, 658,475,529.03 and 111,483,570.74 is: 167,225,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,983,496.50 : 658,475,529.03 = 111,483,570.74 : x
  2. Step 2: Convert to fraction form
    438,983,496.50/658,475,529.03 = 111,483,570.74/x
  3. Step 3: Cross multiply
    438,983,496.50x = 658,475,529.03 × 111,483,570.74
  4. Step 4: Simplify right side
    438,983,496.50x = 73,409,203,217,882,544
  5. Step 5: Solve for x
    x = 73,409,203,217,882,544/438,983,496.50
  6. Step 6: Final answer
    x = 167,225,428.30

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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.