Home / 3,128,766,056,790.80-4,693,683,759,997.10-1,289,899,519,076.40

Finding the Fourth Proportional to 3,128,766,056,790.80, 4,693,683,759,997.10 and 1,289,899,519,076.40

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Solution

The fourth proportional to 3,128,766,056,790.80, 4,693,683,759,997.10 and 1,289,899,519,076.40 is: 1,935,069,709,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,766,056,790.80 : 4,693,683,759,997.10 = 1,289,899,519,076.40 : x
  2. Step 2: Convert to fraction form
    3,128,766,056,790.80/4,693,683,759,997.10 = 1,289,899,519,076.40/x
  3. Step 3: Cross multiply
    3,128,766,056,790.80x = 4,693,683,759,997.10 × 1,289,899,519,076.40
  4. Step 4: Simplify right side
    3,128,766,056,790.80x = 6,054,380,424,716,966,994,903,040
  5. Step 5: Solve for x
    x = 6,054,380,424,716,966,994,903,040/3,128,766,056,790.80
  6. Step 6: Final answer
    x = 1,935,069,709,534.94

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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.