Home / 609,678,156.32-841,361,767.64-331,221,676.40

Finding the Fourth Proportional to 609,678,156.32, 841,361,767.64 and 331,221,676.40

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Solution

The fourth proportional to 609,678,156.32, 841,361,767.64 and 331,221,676.40 is: 457,089,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,678,156.32 : 841,361,767.64 = 331,221,676.40 : x
  2. Step 2: Convert to fraction form
    609,678,156.32/841,361,767.64 = 331,221,676.40/x
  3. Step 3: Cross multiply
    609,678,156.32x = 841,361,767.64 × 331,221,676.40
  4. Step 4: Simplify right side
    609,678,156.32x = 278,677,255,136,588,032
  5. Step 5: Solve for x
    x = 278,677,255,136,588,032/609,678,156.32
  6. Step 6: Final answer
    x = 457,089,125.22

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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.