Finding the Fourth Proportional to 2,628,319,073.44, 3,942,488,718.90 and 636,357,813.88
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Solution
The fourth proportional to 2,628,319,073.44, 3,942,488,718.90 and 636,357,813.88 is: 954,539,168.31
Step by Step Solution
- Step 1: Write the proportion equation
2,628,319,073.44 : 3,942,488,718.90 = 636,357,813.88 : x - Step 2: Convert to fraction form
2,628,319,073.44/3,942,488,718.90 = 636,357,813.88/x - Step 3: Cross multiply
2,628,319,073.44x = 3,942,488,718.90 × 636,357,813.88 - Step 4: Simplify right side
2,628,319,073.44x = 2,508,833,502,405,765,632 - Step 5: Solve for x
x = 2,508,833,502,405,765,632/2,628,319,073.44 - Step 6: Final answer
x = 954,539,168.31
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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.