Finding the Fourth Proportional to 1,677,938,843.12, 2,516,916,225.36 and 513,405,476.76
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Solution
The fourth proportional to 1,677,938,843.12, 2,516,916,225.36 and 513,405,476.76 is: 770,110,650.90
Step by Step Solution
- Step 1: Write the proportion equation
1,677,938,843.12 : 2,516,916,225.36 = 513,405,476.76 : x - Step 2: Convert to fraction form
1,677,938,843.12/2,516,916,225.36 = 513,405,476.76/x - Step 3: Cross multiply
1,677,938,843.12x = 2,516,916,225.36 × 513,405,476.76 - Step 4: Simplify right side
1,677,938,843.12x = 1,292,198,574,645,930,496 - Step 5: Solve for x
x = 1,292,198,574,645,930,496/1,677,938,843.12 - Step 6: Final answer
x = 770,110,650.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.