Finding the Fourth Proportional to 2,628,319,074.44, 3,942,488,720.40 and 636,357,814.88
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Solution
The fourth proportional to 2,628,319,074.44, 3,942,488,720.40 and 636,357,814.88 is: 954,539,169.81
Step by Step Solution
- Step 1: Write the proportion equation
2,628,319,074.44 : 3,942,488,720.40 = 636,357,814.88 : x - Step 2: Convert to fraction form
2,628,319,074.44/3,942,488,720.40 = 636,357,814.88/x - Step 3: Cross multiply
2,628,319,074.44x = 3,942,488,720.40 × 636,357,814.88 - Step 4: Simplify right side
2,628,319,074.44x = 2,508,833,507,302,791,168 - Step 5: Solve for x
x = 2,508,833,507,302,791,168/2,628,319,074.44 - Step 6: Final answer
x = 954,539,169.81
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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.