Home / 12,970,652,627,400-17,900,016,693,150-7,117,969,325,206.40

Finding the Fourth Proportional to 12,970,652,627,400, 17,900,016,693,150 and 7,117,969,325,206.40

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Solution

The fourth proportional to 12,970,652,627,400, 17,900,016,693,150 and 7,117,969,325,206.40 is: 9,823,080,873,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970,652,627,400 : 17,900,016,693,150 = 7,117,969,325,206.40 : x
  2. Step 2: Convert to fraction form
    12,970,652,627,400/17,900,016,693,150 = 7,117,969,325,206.40/x
  3. Step 3: Cross multiply
    12,970,652,627,400x = 17,900,016,693,150 × 7,117,969,325,206.40
  4. Step 4: Simplify right side
    12,970,652,627,400x = 127,411,769,742,524,214,908,289,024
  5. Step 5: Solve for x
    x = 127,411,769,742,524,214,908,289,024/12,970,652,627,400
  6. Step 6: Final answer
    x = 9,823,080,873,615.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.