Home / 921,545,630.34-1,382,344,200.62-299,760,865.01

Finding the Fourth Proportional to 921,545,630.34, 1,382,344,200.62 and 299,760,865.01

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Solution

The fourth proportional to 921,545,630.34, 1,382,344,200.62 and 299,760,865.01 is: 449,649,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,545,630.34 : 1,382,344,200.62 = 299,760,865.01 : x
  2. Step 2: Convert to fraction form
    921,545,630.34/1,382,344,200.62 = 299,760,865.01/x
  3. Step 3: Cross multiply
    921,545,630.34x = 1,382,344,200.62 × 299,760,865.01
  4. Step 4: Simplify right side
    921,545,630.34x = 414,372,693,319,408,128
  5. Step 5: Solve for x
    x = 414,372,693,319,408,128/921,545,630.34
  6. Step 6: Final answer
    x = 449,649,675.15

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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.