Home / 814,575,999.60-1,221,863,999.40-297,023,324.40

Finding the Fourth Proportional to 814,575,999.60, 1,221,863,999.40 and 297,023,324.40

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Solution

The fourth proportional to 814,575,999.60, 1,221,863,999.40 and 297,023,324.40 is: 445,534,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,575,999.60 : 1,221,863,999.40 = 297,023,324.40 : x
  2. Step 2: Convert to fraction form
    814,575,999.60/1,221,863,999.40 = 297,023,324.40/x
  3. Step 3: Cross multiply
    814,575,999.60x = 1,221,863,999.40 × 297,023,324.40
  4. Step 4: Simplify right side
    814,575,999.60x = 362,922,107,066,467,584
  5. Step 5: Solve for x
    x = 362,922,107,066,467,584/814,575,999.60
  6. Step 6: Final answer
    x = 445,534,986.60

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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.