Finding the Fourth Proportional to 2,655,473,909.99, 3,666,207,810.78 and 1,690,402,339.53
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Solution
The fourth proportional to 2,655,473,909.99, 3,666,207,810.78 and 1,690,402,339.53 is: 2,333,808,002.12
Step by Step Solution
- Step 1: Write the proportion equation
2,655,473,909.99 : 3,666,207,810.78 = 1,690,402,339.53 : x - Step 2: Convert to fraction form
2,655,473,909.99/3,666,207,810.78 = 1,690,402,339.53/x - Step 3: Cross multiply
2,655,473,909.99x = 3,666,207,810.78 × 1,690,402,339.53 - Step 4: Simplify right side
2,655,473,909.99x = 6,197,366,260,545,672,192 - Step 5: Solve for x
x = 6,197,366,260,545,672,192/2,655,473,909.99 - Step 6: Final answer
x = 2,333,808,002.12
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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.