Finding the Fourth Proportional to 848,281,207.60, 1,272,421,811.40 and 787,059,204.40
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Solution
The fourth proportional to 848,281,207.60, 1,272,421,811.40 and 787,059,204.40 is: 1,180,588,806.60
Step by Step Solution
- Step 1: Write the proportion equation
848,281,207.60 : 1,272,421,811.40 = 787,059,204.40 : x - Step 2: Convert to fraction form
848,281,207.60/1,272,421,811.40 = 787,059,204.40/x - Step 3: Cross multiply
848,281,207.60x = 1,272,421,811.40 × 787,059,204.40 - Step 4: Simplify right side
848,281,207.60x = 1,001,471,298,541,690,880 - Step 5: Solve for x
x = 1,001,471,298,541,690,880/848,281,207.60 - Step 6: Final answer
x = 1,180,588,806.60
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1.5x scale
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.