Home / 313,257,981,176.35-469,407,376,222.93-210,774,980,647.70

Finding the Fourth Proportional to 313,257,981,176.35, 469,407,376,222.93 and 210,774,980,647.70

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Solution

The fourth proportional to 313,257,981,176.35, 469,407,376,222.93 and 210,774,980,647.70 is: 315,839,776,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,257,981,176.35 : 469,407,376,222.93 = 210,774,980,647.70 : x
  2. Step 2: Convert to fraction form
    313,257,981,176.35/469,407,376,222.93 = 210,774,980,647.70/x
  3. Step 3: Cross multiply
    313,257,981,176.35x = 469,407,376,222.93 × 210,774,980,647.70
  4. Step 4: Simplify right side
    313,257,981,176.35x = 98,939,330,639,275,701,043,200
  5. Step 5: Solve for x
    x = 98,939,330,639,275,701,043,200/313,257,981,176.35
  6. Step 6: Final answer
    x = 315,839,776,109.58

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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.