Finding the Fourth Proportional to 1,553,246,557.26, 2,329,869,866.80 and 372,827,036.75
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Solution
The fourth proportional to 1,553,246,557.26, 2,329,869,866.80 and 372,827,036.75 is: 559,240,562.55
Step by Step Solution
- Step 1: Write the proportion equation
1,553,246,557.26 : 2,329,869,866.80 = 372,827,036.75 : x - Step 2: Convert to fraction form
1,553,246,557.26/2,329,869,866.80 = 372,827,036.75/x - Step 3: Cross multiply
1,553,246,557.26x = 2,329,869,866.80 × 372,827,036.75 - Step 4: Simplify right side
1,553,246,557.26x = 868,638,478,460,003,328 - Step 5: Solve for x
x = 868,638,478,460,003,328/1,553,246,557.26 - Step 6: Final answer
x = 559,240,562.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.