Finding the Fourth Proportional to 885,029,636.70, 1,327,544,455.05 and 471,781,115.10
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Solution
The fourth proportional to 885,029,636.70, 1,327,544,455.05 and 471,781,115.10 is: 707,671,672.65
Step by Step Solution
- Step 1: Write the proportion equation
885,029,636.70 : 1,327,544,455.05 = 471,781,115.10 : x - Step 2: Convert to fraction form
885,029,636.70/1,327,544,455.05 = 471,781,115.10/x - Step 3: Cross multiply
885,029,636.70x = 1,327,544,455.05 × 471,781,115.10 - Step 4: Simplify right side
885,029,636.70x = 626,310,403,348,310,784 - Step 5: Solve for x
x = 626,310,403,348,310,784/885,029,636.70 - Step 6: Final answer
x = 707,671,672.65
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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.