Finding the Fourth Proportional to 727,487,294.96, 1,090,495,488.36 and 313,234,269.68
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Solution
The fourth proportional to 727,487,294.96, 1,090,495,488.36 and 313,234,269.68 is: 469,534,739.99
Step by Step Solution
- Step 1: Write the proportion equation
727,487,294.96 : 1,090,495,488.36 = 313,234,269.68 : x - Step 2: Convert to fraction form
727,487,294.96/1,090,495,488.36 = 313,234,269.68/x - Step 3: Cross multiply
727,487,294.96x = 1,090,495,488.36 × 313,234,269.68 - Step 4: Simplify right side
727,487,294.96x = 341,580,557,885,779,520 - Step 5: Solve for x
x = 341,580,557,885,779,520/727,487,294.96 - Step 6: Final answer
x = 469,534,739.99
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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.