Finding the Fourth Proportional to 4,284,463,711.68, 5,912,360,901.36 and 2,379,346,148.16
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Solution
The fourth proportional to 4,284,463,711.68, 5,912,360,901.36 and 2,379,346,148.16 is: 3,283,387,159.71
Step by Step Solution
- Step 1: Write the proportion equation
4,284,463,711.68 : 5,912,360,901.36 = 2,379,346,148.16 : x - Step 2: Convert to fraction form
4,284,463,711.68/5,912,360,901.36 = 2,379,346,148.16/x - Step 3: Cross multiply
4,284,463,711.68x = 5,912,360,901.36 × 2,379,346,148.16 - Step 4: Simplify right side
4,284,463,711.68x = 14,067,553,137,182,699,520 - Step 5: Solve for x
x = 14,067,553,137,182,699,520/4,284,463,711.68 - Step 6: Final answer
x = 3,283,387,159.71
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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.