Finding the Fourth Proportional to 917,101,455.80, 1,265,566,762.11 and 560,465,884.10
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Solution
The fourth proportional to 917,101,455.80, 1,265,566,762.11 and 560,465,884.10 is: 773,422,601.98
Step by Step Solution
- Step 1: Write the proportion equation
917,101,455.80 : 1,265,566,762.11 = 560,465,884.10 : x - Step 2: Convert to fraction form
917,101,455.80/1,265,566,762.11 = 560,465,884.10/x - Step 3: Cross multiply
917,101,455.80x = 1,265,566,762.11 × 560,465,884.10 - Step 4: Simplify right side
917,101,455.80x = 709,306,994,218,793,088 - Step 5: Solve for x
x = 709,306,994,218,793,088/917,101,455.80 - Step 6: Final answer
x = 773,422,601.98
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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.