Finding the Fourth Proportional to 1,625,167,518.18, 2,242,922,633.55 and 965,117,796.18
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Solution
The fourth proportional to 1,625,167,518.18, 2,242,922,633.55 and 965,117,796.18 is: 1,331,976,257.76
Step by Step Solution
- Step 1: Write the proportion equation
1,625,167,518.18 : 2,242,922,633.55 = 965,117,796.18 : x - Step 2: Convert to fraction form
1,625,167,518.18/2,242,922,633.55 = 965,117,796.18/x - Step 3: Cross multiply
1,625,167,518.18x = 2,242,922,633.55 × 965,117,796.18 - Step 4: Simplify right side
1,625,167,518.18x = 2,164,684,549,094,017,792 - Step 5: Solve for x
x = 2,164,684,549,094,017,792/1,625,167,518.18 - Step 6: Final answer
x = 1,331,976,257.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.