Finding the Fourth Proportional to 848,281,305.60, 1,272,421,958.40 and 787,059,302.40
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Solution
The fourth proportional to 848,281,305.60, 1,272,421,958.40 and 787,059,302.40 is: 1,180,588,953.60
Step by Step Solution
- Step 1: Write the proportion equation
848,281,305.60 : 1,272,421,958.40 = 787,059,302.40 : x - Step 2: Convert to fraction form
848,281,305.60/1,272,421,958.40 = 787,059,302.40/x - Step 3: Cross multiply
848,281,305.60x = 1,272,421,958.40 × 787,059,302.40 - Step 4: Simplify right side
848,281,305.60x = 1,001,471,538,936,745,856 - Step 5: Solve for x
x = 1,001,471,538,936,745,856/848,281,305.60 - Step 6: Final answer
x = 1,180,588,953.60
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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.