Finding the Fourth Proportional to 846,420,799.08, 1,168,232,545.98 and 489,203,749.80
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Solution
The fourth proportional to 846,420,799.08, 1,168,232,545.98 and 489,203,749.80 is: 675,200,494.54
Step by Step Solution
- Step 1: Write the proportion equation
846,420,799.08 : 1,168,232,545.98 = 489,203,749.80 : x - Step 2: Convert to fraction form
846,420,799.08/1,168,232,545.98 = 489,203,749.80/x - Step 3: Cross multiply
846,420,799.08x = 1,168,232,545.98 × 489,203,749.80 - Step 4: Simplify right side
846,420,799.08x = 571,503,742,131,816,960 - Step 5: Solve for x
x = 571,503,742,131,816,960/846,420,799.08 - Step 6: Final answer
x = 675,200,494.54
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1.5x scale
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.