Home / 489,307,111.20-733,960,666.80-271,628,877.60

Finding the Fourth Proportional to 489,307,111.20, 733,960,666.80 and 271,628,877.60

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Solution

The fourth proportional to 489,307,111.20, 733,960,666.80 and 271,628,877.60 is: 407,443,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,307,111.20 : 733,960,666.80 = 271,628,877.60 : x
  2. Step 2: Convert to fraction form
    489,307,111.20/733,960,666.80 = 271,628,877.60/x
  3. Step 3: Cross multiply
    489,307,111.20x = 733,960,666.80 × 271,628,877.60
  4. Step 4: Simplify right side
    489,307,111.20x = 199,364,912,125,431,584
  5. Step 5: Solve for x
    x = 199,364,912,125,431,584/489,307,111.20
  6. Step 6: Final answer
    x = 407,443,316.40

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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.