Home / 28,580,130,720-42,875,080,140.90-11,782,759,684.44

Finding the Fourth Proportional to 28,580,130,720, 42,875,080,140.90 and 11,782,759,684.44

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Solution

The fourth proportional to 28,580,130,720, 42,875,080,140.90 and 11,782,759,684.44 is: 17,676,153,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580,130,720 : 42,875,080,140.90 = 11,782,759,684.44 : x
  2. Step 2: Convert to fraction form
    28,580,130,720/42,875,080,140.90 = 11,782,759,684.44/x
  3. Step 3: Cross multiply
    28,580,130,720x = 42,875,080,140.90 × 11,782,759,684.44
  4. Step 4: Simplify right side
    28,580,130,720x = 505,186,765,751,330,603,008
  5. Step 5: Solve for x
    x = 505,186,765,751,330,603,008/28,580,130,720
  6. Step 6: Final answer
    x = 17,676,153,083.44

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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.