Home / 557,460,800.64-769,316,131.68-319,352,004.15

Finding the Fourth Proportional to 557,460,800.64, 769,316,131.68 and 319,352,004.15

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Solution

The fourth proportional to 557,460,800.64, 769,316,131.68 and 319,352,004.15 is: 440,717,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,460,800.64 : 769,316,131.68 = 319,352,004.15 : x
  2. Step 2: Convert to fraction form
    557,460,800.64/769,316,131.68 = 319,352,004.15/x
  3. Step 3: Cross multiply
    557,460,800.64x = 769,316,131.68 × 319,352,004.15
  4. Step 4: Simplify right side
    557,460,800.64x = 245,682,648,476,933,280
  5. Step 5: Solve for x
    x = 245,682,648,476,933,280/557,460,800.64
  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.