Home / 313,380,615.17-432,009,457.13-219,001,741.89

Finding the Fourth Proportional to 313,380,615.17, 432,009,457.13 and 219,001,741.89

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Solution

The fourth proportional to 313,380,615.17, 432,009,457.13 and 219,001,741.89 is: 301,903,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,380,615.17 : 432,009,457.13 = 219,001,741.89 : x
  2. Step 2: Convert to fraction form
    313,380,615.17/432,009,457.13 = 219,001,741.89/x
  3. Step 3: Cross multiply
    313,380,615.17x = 432,009,457.13 × 219,001,741.89
  4. Step 4: Simplify right side
    313,380,615.17x = 94,610,823,623,328,272
  5. Step 5: Solve for x
    x = 94,610,823,623,328,272/313,380,615.17
  6. Step 6: Final answer
    x = 301,903,879.96

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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.