Finding the Fourth Proportional to 1,721,650,987,497.20, 2,375,864,243,235.20 and 940,384,613,264.02
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Solution
The fourth proportional to 1,721,650,987,497.20, 2,375,864,243,235.20 and 940,384,613,264.02 is: 1,297,723,054,072.93
Step by Step Solution
- Step 1: Write the proportion equation
1,721,650,987,497.20 : 2,375,864,243,235.20 = 940,384,613,264.02 : x - Step 2: Convert to fraction form
1,721,650,987,497.20/2,375,864,243,235.20 = 940,384,613,264.02/x - Step 3: Cross multiply
1,721,650,987,497.20x = 2,375,864,243,235.20 × 940,384,613,264.02 - Step 4: Simplify right side
1,721,650,987,497.20x = 2,234,226,177,542,547,453,247,488 - Step 5: Solve for x
x = 2,234,226,177,542,547,453,247,488/1,721,650,987,497.20 - Step 6: Final answer
x = 1,297,723,054,072.93
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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.