Home / 557,460,800.63-769,316,131.66-319,352,004.14

Finding the Fourth Proportional to 557,460,800.63, 769,316,131.66 and 319,352,004.14

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Solution

The fourth proportional to 557,460,800.63, 769,316,131.66 and 319,352,004.14 is: 440,717,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,460,800.63 : 769,316,131.66 = 319,352,004.14 : x
  2. Step 2: Convert to fraction form
    557,460,800.63/769,316,131.66 = 319,352,004.14/x
  3. Step 3: Cross multiply
    557,460,800.63x = 769,316,131.66 × 319,352,004.14
  4. Step 4: Simplify right side
    557,460,800.63x = 245,682,648,467,228,640
  5. Step 5: Solve for x
    x = 245,682,648,467,228,640/557,460,800.63
  6. Step 6: Final answer
    x = 440,717,353.03

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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.