Finding the Fourth Proportional to 2,156,760,781.00, 2,976,103,041.74 and 1,252,339,924.48
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Solution
The fourth proportional to 2,156,760,781.00, 2,976,103,041.74 and 1,252,339,924.48 is: 1,728,097,381.67
Step by Step Solution
- Step 1: Write the proportion equation
2,156,760,781.00 : 2,976,103,041.74 = 1,252,339,924.48 : x - Step 2: Convert to fraction form
2,156,760,781.00/2,976,103,041.74 = 1,252,339,924.48/x - Step 3: Cross multiply
2,156,760,781.00x = 2,976,103,041.74 × 1,252,339,924.48 - Step 4: Simplify right side
2,156,760,781.00x = 3,727,092,658,548,473,856 - Step 5: Solve for x
x = 3,727,092,658,548,473,856/2,156,760,781.00 - Step 6: Final answer
x = 1,728,097,381.67
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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.