Finding the Fourth Proportional to 1,448,735,701.80, 2,173,386,987.90 and 619,687,741.80
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Solution
The fourth proportional to 1,448,735,701.80, 2,173,386,987.90 and 619,687,741.80 is: 929,652,850.35
Step by Step Solution
- Step 1: Write the proportion equation
1,448,735,701.80 : 2,173,386,987.90 = 619,687,741.80 : x - Step 2: Convert to fraction form
1,448,735,701.80/2,173,386,987.90 = 619,687,741.80/x - Step 3: Cross multiply
1,448,735,701.80x = 2,173,386,987.90 × 619,687,741.80 - Step 4: Simplify right side
1,448,735,701.80x = 1,346,821,274,589,254,912 - Step 5: Solve for x
x = 1,346,821,274,589,254,912/1,448,735,701.80 - Step 6: Final answer
x = 929,652,850.35
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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.