Home / 297,579,207.80-445,572,549.30-189,287,521.40

Finding the Fourth Proportional to 297,579,207.80, 445,572,549.30 and 189,287,521.40

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Solution

The fourth proportional to 297,579,207.80, 445,572,549.30 and 189,287,521.40 is: 283,424,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,579,207.80 : 445,572,549.30 = 189,287,521.40 : x
  2. Step 2: Convert to fraction form
    297,579,207.80/445,572,549.30 = 189,287,521.40/x
  3. Step 3: Cross multiply
    297,579,207.80x = 445,572,549.30 × 189,287,521.40
  4. Step 4: Simplify right side
    297,579,207.80x = 84,341,323,460,876,304
  5. Step 5: Solve for x
    x = 84,341,323,460,876,304/297,579,207.80
  6. Step 6: Final answer
    x = 283,424,786.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.