Home / 497,188,119.24-686,136,168.18-271,139,436.45

Finding the Fourth Proportional to 497,188,119.24, 686,136,168.18 and 271,139,436.45

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Solution

The fourth proportional to 497,188,119.24, 686,136,168.18 and 271,139,436.45 is: 374,181,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,188,119.24 : 686,136,168.18 = 271,139,436.45 : x
  2. Step 2: Convert to fraction form
    497,188,119.24/686,136,168.18 = 271,139,436.45/x
  3. Step 3: Cross multiply
    497,188,119.24x = 686,136,168.18 × 271,139,436.45
  4. Step 4: Simplify right side
    497,188,119.24x = 186,038,573,968,287,584
  5. Step 5: Solve for x
    x = 186,038,573,968,287,584/497,188,119.24
  6. Step 6: Final answer
    x = 374,181,455.21

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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.