Finding the Fourth Proportional to 564,202,063.68, 845,916,738.48 and 287,317,307.76
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Solution
The fourth proportional to 564,202,063.68, 845,916,738.48 and 287,317,307.76 is: 430,779,211.09
Step by Step Solution
- Step 1: Write the proportion equation
564,202,063.68 : 845,916,738.48 = 287,317,307.76 : x - Step 2: Convert to fraction form
564,202,063.68/845,916,738.48 = 287,317,307.76/x - Step 3: Cross multiply
564,202,063.68x = 845,916,738.48 × 287,317,307.76 - Step 4: Simplify right side
564,202,063.68x = 243,046,519,889,193,600 - Step 5: Solve for x
x = 243,046,519,889,193,600/564,202,063.68 - Step 6: Final answer
x = 430,779,211.09
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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.