Home / 609,093,306.72-840,549,828.24-330,635,018.88

Finding the Fourth Proportional to 609,093,306.72, 840,549,828.24 and 330,635,018.88

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Solution

The fourth proportional to 609,093,306.72, 840,549,828.24 and 330,635,018.88 is: 456,276,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,093,306.72 : 840,549,828.24 = 330,635,018.88 : x
  2. Step 2: Convert to fraction form
    609,093,306.72/840,549,828.24 = 330,635,018.88/x
  3. Step 3: Cross multiply
    609,093,306.72x = 840,549,828.24 × 330,635,018.88
  4. Step 4: Simplify right side
    609,093,306.72x = 277,915,208,329,713,152
  5. Step 5: Solve for x
    x = 277,915,208,329,713,152/609,093,306.72
  6. Step 6: Final answer
    x = 456,276,904.15

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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.