Home / 1,866,715,478.40-2,799,401,371.20-946,285,910.40

Finding the Fourth Proportional to 1,866,715,478.40, 2,799,401,371.20 and 946,285,910.40

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Solution

The fourth proportional to 1,866,715,478.40, 2,799,401,371.20 and 946,285,910.40 is: 1,419,088,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,715,478.40 : 2,799,401,371.20 = 946,285,910.40 : x
  2. Step 2: Convert to fraction form
    1,866,715,478.40/2,799,401,371.20 = 946,285,910.40/x
  3. Step 3: Cross multiply
    1,866,715,478.40x = 2,799,401,371.20 × 946,285,910.40
  4. Step 4: Simplify right side
    1,866,715,478.40x = 2,649,034,075,120,999,936
  5. Step 5: Solve for x
    x = 2,649,034,075,120,999,936/1,866,715,478.40
  6. Step 6: Final answer
    x = 1,419,088,289.44

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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.