Home / 648,056,573.97-971,975,219.64-181,610,644.79

Finding the Fourth Proportional to 648,056,573.97, 971,975,219.64 and 181,610,644.79

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Solution

The fourth proportional to 648,056,573.97, 971,975,219.64 and 181,610,644.79 is: 272,385,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,056,573.97 : 971,975,219.64 = 181,610,644.79 : x
  2. Step 2: Convert to fraction form
    648,056,573.97/971,975,219.64 = 181,610,644.79/x
  3. Step 3: Cross multiply
    648,056,573.97x = 971,975,219.64 × 181,610,644.79
  4. Step 4: Simplify right side
    648,056,573.97x = 176,521,046,354,706,880
  5. Step 5: Solve for x
    x = 176,521,046,354,706,880/648,056,573.97
  6. Step 6: Final answer
    x = 272,385,241.42

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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.