Home / 1,990,477,274.20-2,983,526,189.70-697,347,136.60

Finding the Fourth Proportional to 1,990,477,274.20, 2,983,526,189.70 and 697,347,136.60

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Solution

The fourth proportional to 1,990,477,274.20, 2,983,526,189.70 and 697,347,136.60 is: 1,045,253,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,477,274.20 : 2,983,526,189.70 = 697,347,136.60 : x
  2. Step 2: Convert to fraction form
    1,990,477,274.20/2,983,526,189.70 = 697,347,136.60/x
  3. Step 3: Cross multiply
    1,990,477,274.20x = 2,983,526,189.70 × 697,347,136.60
  4. Step 4: Simplify right side
    1,990,477,274.20x = 2,080,553,445,358,403,328
  5. Step 5: Solve for x
    x = 2,080,553,445,358,403,328/1,990,477,274.20
  6. Step 6: Final answer
    x = 1,045,253,554.17

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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.