Finding the Fourth Proportional to 1,721,650,987,509.80, 2,375,864,243,252.70 and 940,384,613,276.82
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Solution
The fourth proportional to 1,721,650,987,509.80, 2,375,864,243,252.70 and 940,384,613,276.82 is: 1,297,723,054,090.66
Step by Step Solution
- Step 1: Write the proportion equation
1,721,650,987,509.80 : 2,375,864,243,252.70 = 940,384,613,276.82 : x - Step 2: Convert to fraction form
1,721,650,987,509.80/2,375,864,243,252.70 = 940,384,613,276.82/x - Step 3: Cross multiply
1,721,650,987,509.80x = 2,375,864,243,252.70 × 940,384,613,276.82 - Step 4: Simplify right side
1,721,650,987,509.80x = 2,234,226,177,589,414,941,687,808 - Step 5: Solve for x
x = 2,234,226,177,589,414,941,687,808/1,721,650,987,509.80 - Step 6: Final answer
x = 1,297,723,054,090.66
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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.