Finding the Fourth Proportional to 1,502,138,848.25, 2,072,677,516.97 and 866,827,569.48
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Solution
The fourth proportional to 1,502,138,848.25, 2,072,677,516.97 and 866,827,569.48 is: 1,196,063,876.82
Step by Step Solution
- Step 1: Write the proportion equation
1,502,138,848.25 : 2,072,677,516.97 = 866,827,569.48 : x - Step 2: Convert to fraction form
1,502,138,848.25/2,072,677,516.97 = 866,827,569.48/x - Step 3: Cross multiply
1,502,138,848.25x = 2,072,677,516.97 × 866,827,569.48 - Step 4: Simplify right side
1,502,138,848.25x = 1,796,654,014,355,429,376 - Step 5: Solve for x
x = 1,796,654,014,355,429,376/1,502,138,848.25 - Step 6: Final answer
x = 1,196,063,876.82
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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.