Finding the Fourth Proportional to 442,877,416.10, 664,316,124.15 and 238,804,072.10
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Solution
The fourth proportional to 442,877,416.10, 664,316,124.15 and 238,804,072.10 is: 358,206,108.15
Step by Step Solution
- Step 1: Write the proportion equation
442,877,416.10 : 664,316,124.15 = 238,804,072.10 : x - Step 2: Convert to fraction form
442,877,416.10/664,316,124.15 = 238,804,072.10/x - Step 3: Cross multiply
442,877,416.10x = 664,316,124.15 × 238,804,072.10 - Step 4: Simplify right side
442,877,416.10x = 158,641,395,608,709,152 - Step 5: Solve for x
x = 158,641,395,608,709,152/442,877,416.10 - Step 6: Final answer
x = 358,206,108.15
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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.