Home / 486,562,672.26-671,421,629.16-285,627,705.35

Finding the Fourth Proportional to 486,562,672.26, 671,421,629.16 and 285,627,705.35

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Solution

The fourth proportional to 486,562,672.26, 671,421,629.16 and 285,627,705.35 is: 394,145,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,562,672.26 : 671,421,629.16 = 285,627,705.35 : x
  2. Step 2: Convert to fraction form
    486,562,672.26/671,421,629.16 = 285,627,705.35/x
  3. Step 3: Cross multiply
    486,562,672.26x = 671,421,629.16 × 285,627,705.35
  4. Step 4: Simplify right side
    486,562,672.26x = 191,776,619,255,972,352
  5. Step 5: Solve for x
    x = 191,776,619,255,972,352/486,562,672.26
  6. Step 6: Final answer
    x = 394,145,770.30

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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.