Home / 1,325,276,440.80-1,987,895,998.80-598,263,986.40

Finding the Fourth Proportional to 1,325,276,440.80, 1,987,895,998.80 and 598,263,986.40

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Solution

The fourth proportional to 1,325,276,440.80, 1,987,895,998.80 and 598,263,986.40 is: 897,387,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,276,440.80 : 1,987,895,998.80 = 598,263,986.40 : x
  2. Step 2: Convert to fraction form
    1,325,276,440.80/1,987,895,998.80 = 598,263,986.40/x
  3. Step 3: Cross multiply
    1,325,276,440.80x = 1,987,895,998.80 × 598,263,986.40
  4. Step 4: Simplify right side
    1,325,276,440.80x = 1,189,286,584,790,697,472
  5. Step 5: Solve for x
    x = 1,189,286,584,790,697,472/1,325,276,440.80
  6. Step 6: Final answer
    x = 897,387,554.91

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1.5x scale

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.