Finding the Fourth Proportional to 1,107,293,799.98, 1,527,345,438.46 and 710,187,798.75
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Solution
The fourth proportional to 1,107,293,799.98, 1,527,345,438.46 and 710,187,798.75 is: 979,597,370.54
Step by Step Solution
- Step 1: Write the proportion equation
1,107,293,799.98 : 1,527,345,438.46 = 710,187,798.75 : x - Step 2: Convert to fraction form
1,107,293,799.98/1,527,345,438.46 = 710,187,798.75/x - Step 3: Cross multiply
1,107,293,799.98x = 1,527,345,438.46 × 710,187,798.75 - Step 4: Simplify right side
1,107,293,799.98x = 1,084,702,094,871,857,024 - Step 5: Solve for x
x = 1,084,702,094,871,857,024/1,107,293,799.98 - Step 6: Final answer
x = 979,597,370.54
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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.