Finding the Fourth Proportional to 817,719,577.80, 1,226,579,366.70 and 736,090,240.20
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Solution
The fourth proportional to 817,719,577.80, 1,226,579,366.70 and 736,090,240.20 is: 1,104,135,360.30
Step by Step Solution
- Step 1: Write the proportion equation
817,719,577.80 : 1,226,579,366.70 = 736,090,240.20 : x - Step 2: Convert to fraction form
817,719,577.80/1,226,579,366.70 = 736,090,240.20/x - Step 3: Cross multiply
817,719,577.80x = 1,226,579,366.70 × 736,090,240.20 - Step 4: Simplify right side
817,719,577.80x = 902,873,100,658,566,912 - Step 5: Solve for x
x = 902,873,100,658,566,912/817,719,577.80 - Step 6: Final answer
x = 1,104,135,360.30
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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.