Finding the Fourth Proportional to 632,272,734.03, 872,546,702.84 and 346,159,486.58
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Solution
The fourth proportional to 632,272,734.03, 872,546,702.84 and 346,159,486.58 is: 477,705,746.93
Step by Step Solution
- Step 1: Write the proportion equation
632,272,734.03 : 872,546,702.84 = 346,159,486.58 : x - Step 2: Convert to fraction form
632,272,734.03/872,546,702.84 = 346,159,486.58/x - Step 3: Cross multiply
632,272,734.03x = 872,546,702.84 × 346,159,486.58 - Step 4: Simplify right side
632,272,734.03x = 302,040,318,672,274,496 - Step 5: Solve for x
x = 302,040,318,672,274,496/632,272,734.03 - Step 6: Final answer
x = 477,705,746.93
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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.