Home / 1,325,136,980,035.40-1,987,540,954,226-357,121,150,567.40

Finding the Fourth Proportional to 1,325,136,980,035.40, 1,987,540,954,226 and 357,121,150,567.40

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Solution

The fourth proportional to 1,325,136,980,035.40, 1,987,540,954,226 and 357,121,150,567.40 is: 535,637,389,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,136,980,035.40 : 1,987,540,954,226 = 357,121,150,567.40 : x
  2. Step 2: Convert to fraction form
    1,325,136,980,035.40/1,987,540,954,226 = 357,121,150,567.40/x
  3. Step 3: Cross multiply
    1,325,136,980,035.40x = 1,987,540,954,226 × 357,121,150,567.40
  4. Step 4: Simplify right side
    1,325,136,980,035.40x = 709,792,912,373,017,210,781,696
  5. Step 5: Solve for x
    x = 709,792,912,373,017,210,781,696/1,325,136,980,035.40
  6. Step 6: Final answer
    x = 535,637,389,241.12

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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.