Home / 557,460,799.64-769,316,130.30-319,352,003.15

Finding the Fourth Proportional to 557,460,799.64, 769,316,130.30 and 319,352,003.15

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Solution

The fourth proportional to 557,460,799.64, 769,316,130.30 and 319,352,003.15 is: 440,717,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,460,799.64 : 769,316,130.30 = 319,352,003.15 : x
  2. Step 2: Convert to fraction form
    557,460,799.64/769,316,130.30 = 319,352,003.15/x
  3. Step 3: Cross multiply
    557,460,799.64x = 769,316,130.30 × 319,352,003.15
  4. Step 4: Simplify right side
    557,460,799.64x = 245,682,647,271,286,240
  5. Step 5: Solve for x
    x = 245,682,647,271,286,240/557,460,799.64
  6. Step 6: Final answer
    x = 440,717,351.66

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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.