Home / 294,943,404.12-405,929,821.86-216,502,712.52

Finding the Fourth Proportional to 294,943,404.12, 405,929,821.86 and 216,502,712.52

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Solution

The fourth proportional to 294,943,404.12, 405,929,821.86 and 216,502,712.52 is: 297,972,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,943,404.12 : 405,929,821.86 = 216,502,712.52 : x
  2. Step 2: Convert to fraction form
    294,943,404.12/405,929,821.86 = 216,502,712.52/x
  3. Step 3: Cross multiply
    294,943,404.12x = 405,929,821.86 × 216,502,712.52
  4. Step 4: Simplify right side
    294,943,404.12x = 87,884,907,525,450,400
  5. Step 5: Solve for x
    x = 87,884,907,525,450,400/294,943,404.12
  6. Step 6: Final answer
    x = 297,972,106.84

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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.