Home / 1,016,736,328.32-1,401,419,355.84-718,994,532.48

Finding the Fourth Proportional to 1,016,736,328.32, 1,401,419,355.84 and 718,994,532.48

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Solution

The fourth proportional to 1,016,736,328.32, 1,401,419,355.84 and 718,994,532.48 is: 991,026,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,736,328.32 : 1,401,419,355.84 = 718,994,532.48 : x
  2. Step 2: Convert to fraction form
    1,016,736,328.32/1,401,419,355.84 = 718,994,532.48/x
  3. Step 3: Cross multiply
    1,016,736,328.32x = 1,401,419,355.84 × 718,994,532.48
  4. Step 4: Simplify right side
    1,016,736,328.32x = 1,007,612,854,560,603,520
  5. Step 5: Solve for x
    x = 1,007,612,854,560,603,520/1,016,736,328.32
  6. Step 6: Final answer
    x = 991,026,706.23

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1.5x scale

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.