Finding the Fourth Proportional to 405,344,545.92, 559,361,866.32 and 240,234,094.08
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Solution
The fourth proportional to 405,344,545.92, 559,361,866.32 and 240,234,094.08 is: 331,514,985.39
Step by Step Solution
- Step 1: Write the proportion equation
405,344,545.92 : 559,361,866.32 = 240,234,094.08 : x - Step 2: Convert to fraction form
405,344,545.92/559,361,866.32 = 240,234,094.08/x - Step 3: Cross multiply
405,344,545.92x = 559,361,866.32 × 240,234,094.08 - Step 4: Simplify right side
405,344,545.92x = 134,377,791,218,283,280 - Step 5: Solve for x
x = 134,377,791,218,283,280/405,344,545.92 - Step 6: Final answer
x = 331,514,985.39
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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.