Finding the Fourth Proportional to 845,282,403.60, 1,180,976,718 and 845,282,403.60
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Solution
The fourth proportional to 845,282,403.60, 1,180,976,718 and 845,282,403.60 is: 1,180,976,718
Step by Step Solution
- Step 1: Write the proportion equation
845,282,403.60 : 1,180,976,718 = 845,282,403.60 : x - Step 2: Convert to fraction form
845,282,403.60/1,180,976,718 = 845,282,403.60/x - Step 3: Cross multiply
845,282,403.60x = 1,180,976,718 × 845,282,403.60 - Step 4: Simplify right side
845,282,403.60x = 998,258,838,786,679,424 - Step 5: Solve for x
x = 998,258,838,786,679,424/845,282,403.60 - Step 6: Final answer
x = 1,180,976,718
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.