Home / 1,325,136,980,038.40-1,987,540,954,230.40-357,121,150,570.40

Finding the Fourth Proportional to 1,325,136,980,038.40, 1,987,540,954,230.40 and 357,121,150,570.40

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Solution

The fourth proportional to 1,325,136,980,038.40, 1,987,540,954,230.40 and 357,121,150,570.40 is: 535,637,389,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,136,980,038.40 : 1,987,540,954,230.40 = 357,121,150,570.40 : x
  2. Step 2: Convert to fraction form
    1,325,136,980,038.40/1,987,540,954,230.40 = 357,121,150,570.40/x
  3. Step 3: Cross multiply
    1,325,136,980,038.40x = 1,987,540,954,230.40 × 357,121,150,570.40
  4. Step 4: Simplify right side
    1,325,136,980,038.40x = 709,792,912,380,551,120,289,792
  5. Step 5: Solve for x
    x = 709,792,912,380,551,120,289,792/1,325,136,980,038.40
  6. Step 6: Final answer
    x = 535,637,389,245.59

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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.