Home / 313,380,658.51-432,009,516.49-219,001,786.45

Finding the Fourth Proportional to 313,380,658.51, 432,009,516.49 and 219,001,786.45

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Solution

The fourth proportional to 313,380,658.51, 432,009,516.49 and 219,001,786.45 is: 301,903,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,380,658.51 : 432,009,516.49 = 219,001,786.45 : x
  2. Step 2: Convert to fraction form
    313,380,658.51/432,009,516.49 = 219,001,786.45/x
  3. Step 3: Cross multiply
    313,380,658.51x = 432,009,516.49 × 219,001,786.45
  4. Step 4: Simplify right side
    313,380,658.51x = 94,610,855,874,710,736
  5. Step 5: Solve for x
    x = 94,610,855,874,710,736/313,380,658.51
  6. Step 6: Final answer
    x = 301,903,941.12

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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.