Finding the Fourth Proportional to 814,744,756.62, 1,124,371,852.02 and 577,015,254.09
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Solution
The fourth proportional to 814,744,756.62, 1,124,371,852.02 and 577,015,254.09 is: 796,298,110.07
Step by Step Solution
- Step 1: Write the proportion equation
814,744,756.62 : 1,124,371,852.02 = 577,015,254.09 : x - Step 2: Convert to fraction form
814,744,756.62/1,124,371,852.02 = 577,015,254.09/x - Step 3: Cross multiply
814,744,756.62x = 1,124,371,852.02 × 577,015,254.09 - Step 4: Simplify right side
814,744,756.62x = 648,779,709,884,964,224 - Step 5: Solve for x
x = 648,779,709,884,964,224/814,744,756.62 - Step 6: Final answer
x = 796,298,110.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.