Home / 649,035,378.68-895,669,609.86-351,677,390.85

Finding the Fourth Proportional to 649,035,378.68, 895,669,609.86 and 351,677,390.85

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Solution

The fourth proportional to 649,035,378.68, 895,669,609.86 and 351,677,390.85 is: 485,315,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,035,378.68 : 895,669,609.86 = 351,677,390.85 : x
  2. Step 2: Convert to fraction form
    649,035,378.68/895,669,609.86 = 351,677,390.85/x
  3. Step 3: Cross multiply
    649,035,378.68x = 895,669,609.86 × 351,677,390.85
  4. Step 4: Simplify right side
    649,035,378.68x = 314,986,751,459,202,240
  5. Step 5: Solve for x
    x = 314,986,751,459,202,240/649,035,378.68
  6. Step 6: Final answer
    x = 485,315,225.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.