Home / 486,562,673.26-671,421,630.54-285,627,706.35

Finding the Fourth Proportional to 486,562,673.26, 671,421,630.54 and 285,627,706.35

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Solution

The fourth proportional to 486,562,673.26, 671,421,630.54 and 285,627,706.35 is: 394,145,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,562,673.26 : 671,421,630.54 = 285,627,706.35 : x
  2. Step 2: Convert to fraction form
    486,562,673.26/671,421,630.54 = 285,627,706.35/x
  3. Step 3: Cross multiply
    486,562,673.26x = 671,421,630.54 × 285,627,706.35
  4. Step 4: Simplify right side
    486,562,673.26x = 191,776,620,324,917,312
  5. Step 5: Solve for x
    x = 191,776,620,324,917,312/486,562,673.26
  6. Step 6: Final answer
    x = 394,145,771.68

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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.