Finding the Fourth Proportional to 6,402,376,845.18, 8,835,090,287.91 and 3,544,646,423.46
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Solution
The fourth proportional to 6,402,376,845.18, 8,835,090,287.91 and 3,544,646,423.46 is: 4,891,507,005.49
Step by Step Solution
- Step 1: Write the proportion equation
6,402,376,845.18 : 8,835,090,287.91 = 3,544,646,423.46 : x - Step 2: Convert to fraction form
6,402,376,845.18/8,835,090,287.91 = 3,544,646,423.46/x - Step 3: Cross multiply
6,402,376,845.18x = 8,835,090,287.91 × 3,544,646,423.46 - Step 4: Simplify right side
6,402,376,845.18x = 31,317,271,189,986,361,344 - Step 5: Solve for x
x = 31,317,271,189,986,361,344/6,402,376,845.18 - Step 6: Final answer
x = 4,891,507,005.49
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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.