Home / 986,865,266.40-1,479,731,029.20-296,669,061.60

Finding the Fourth Proportional to 986,865,266.40, 1,479,731,029.20 and 296,669,061.60

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Solution

The fourth proportional to 986,865,266.40, 1,479,731,029.20 and 296,669,061.60 is: 444,833,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,865,266.40 : 1,479,731,029.20 = 296,669,061.60 : x
  2. Step 2: Convert to fraction form
    986,865,266.40/1,479,731,029.20 = 296,669,061.60/x
  3. Step 3: Cross multiply
    986,865,266.40x = 1,479,731,029.20 × 296,669,061.60
  4. Step 4: Simplify right side
    986,865,266.40x = 438,990,415,853,166,272
  5. Step 5: Solve for x
    x = 438,990,415,853,166,272/986,865,266.40
  6. Step 6: Final answer
    x = 444,833,181.18

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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.