Finding the Fourth Proportional to 547,317,686.12, 821,275,400.75 and 232,134,688.76
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Solution
The fourth proportional to 547,317,686.12, 821,275,400.75 and 232,134,688.76 is: 348,328,793.99
Step by Step Solution
- Step 1: Write the proportion equation
547,317,686.12 : 821,275,400.75 = 232,134,688.76 : x - Step 2: Convert to fraction form
547,317,686.12/821,275,400.75 = 232,134,688.76/x - Step 3: Cross multiply
547,317,686.12x = 821,275,400.75 × 232,134,688.76 - Step 4: Simplify right side
547,317,686.12x = 190,646,509,534,078,464 - Step 5: Solve for x
x = 190,646,509,534,078,464/547,317,686.12 - Step 6: Final answer
x = 348,328,793.99
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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.