Home / 446,889,638.40-616,698,018-258,725,860.80

Finding the Fourth Proportional to 446,889,638.40, 616,698,018 and 258,725,860.80

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Solution

The fourth proportional to 446,889,638.40, 616,698,018 and 258,725,860.80 is: 357,036,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,889,638.40 : 616,698,018 = 258,725,860.80 : x
  2. Step 2: Convert to fraction form
    446,889,638.40/616,698,018 = 258,725,860.80/x
  3. Step 3: Cross multiply
    446,889,638.40x = 616,698,018 × 258,725,860.80
  4. Step 4: Simplify right side
    446,889,638.40x = 159,555,725,560,703,904
  5. Step 5: Solve for x
    x = 159,555,725,560,703,904/446,889,638.40
  6. Step 6: Final answer
    x = 357,036,081.96

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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.