Finding the Fourth Proportional to 7,307,666,313.12, 10,084,589,490.96 and 3,966,164,641.44
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Solution
The fourth proportional to 7,307,666,313.12, 10,084,589,490.96 and 3,966,164,641.44 is: 5,473,312,621.11
Step by Step Solution
- Step 1: Write the proportion equation
7,307,666,313.12 : 10,084,589,490.96 = 3,966,164,641.44 : x - Step 2: Convert to fraction form
7,307,666,313.12/10,084,589,490.96 = 3,966,164,641.44/x - Step 3: Cross multiply
7,307,666,313.12x = 10,084,589,490.96 × 3,966,164,641.44 - Step 4: Simplify right side
7,307,666,313.12x = 39,997,142,262,482,960,384 - Step 5: Solve for x
x = 39,997,142,262,482,960,384/7,307,666,313.12 - Step 6: Final answer
x = 5,473,312,621.11
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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.