Finding the Fourth Proportional to 6,851,809,440.12, 10,275,720,296.16 and 2,653,825,949.74
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Solution
The fourth proportional to 6,851,809,440.12, 10,275,720,296.16 and 2,653,825,949.74 is: 3,979,966,666.11
Step by Step Solution
- Step 1: Write the proportion equation
6,851,809,440.12 : 10,275,720,296.16 = 2,653,825,949.74 : x - Step 2: Convert to fraction form
6,851,809,440.12/10,275,720,296.16 = 2,653,825,949.74/x - Step 3: Cross multiply
6,851,809,440.12x = 10,275,720,296.16 × 2,653,825,949.74 - Step 4: Simplify right side
6,851,809,440.12x = 27,269,973,174,219,403,264 - Step 5: Solve for x
x = 27,269,973,174,219,403,264/6,851,809,440.12 - Step 6: Final answer
x = 3,979,966,666.11
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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.