Finding the Fourth Proportional to 918,384,207.68, 1,377,574,539.63 and 228,292,125.95
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Solution
The fourth proportional to 918,384,207.68, 1,377,574,539.63 and 228,292,125.95 is: 342,437,748.46
Step by Step Solution
- Step 1: Write the proportion equation
918,384,207.68 : 1,377,574,539.63 = 228,292,125.95 : x - Step 2: Convert to fraction form
918,384,207.68/1,377,574,539.63 = 228,292,125.95/x - Step 3: Cross multiply
918,384,207.68x = 1,377,574,539.63 × 228,292,125.95 - Step 4: Simplify right side
918,384,207.68x = 314,489,420,299,837,376 - Step 5: Solve for x
x = 314,489,420,299,837,376/918,384,207.68 - Step 6: Final answer
x = 342,437,748.46
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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.