Home / 885,350,820.40-1,328,026,230.60-310,922,148.40

Finding the Fourth Proportional to 885,350,820.40, 1,328,026,230.60 and 310,922,148.40

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Solution

The fourth proportional to 885,350,820.40, 1,328,026,230.60 and 310,922,148.40 is: 466,383,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,350,820.40 : 1,328,026,230.60 = 310,922,148.40 : x
  2. Step 2: Convert to fraction form
    885,350,820.40/1,328,026,230.60 = 310,922,148.40/x
  3. Step 3: Cross multiply
    885,350,820.40x = 1,328,026,230.60 × 310,922,148.40
  4. Step 4: Simplify right side
    885,350,820.40x = 412,912,768,749,705,728
  5. Step 5: Solve for x
    x = 412,912,768,749,705,728/885,350,820.40
  6. Step 6: Final answer
    x = 466,383,222.60

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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.