Finding the Fourth Proportional to 1,502,138,828.86, 2,072,677,490.28 and 866,827,550.08
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Solution
The fourth proportional to 1,502,138,828.86, 2,072,677,490.28 and 866,827,550.08 is: 1,196,063,850.08
Step by Step Solution
- Step 1: Write the proportion equation
1,502,138,828.86 : 2,072,677,490.28 = 866,827,550.08 : x - Step 2: Convert to fraction form
1,502,138,828.86/2,072,677,490.28 = 866,827,550.08/x - Step 3: Cross multiply
1,502,138,828.86x = 2,072,677,490.28 × 866,827,550.08 - Step 4: Simplify right side
1,502,138,828.86x = 1,796,653,951,005,375,488 - Step 5: Solve for x
x = 1,796,653,951,005,375,488/1,502,138,828.86 - Step 6: Final answer
x = 1,196,063,850.08
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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.