Finding the Fourth Proportional to 293,023,598.19, 438,960,763.79 and 169,943,412.62
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Solution
The fourth proportional to 293,023,598.19, 438,960,763.79 and 169,943,412.62 is: 254,581,851.66
Step by Step Solution
- Step 1: Write the proportion equation
293,023,598.19 : 438,960,763.79 = 169,943,412.62 : x - Step 2: Convert to fraction form
293,023,598.19/438,960,763.79 = 169,943,412.62/x - Step 3: Cross multiply
293,023,598.19x = 438,960,763.79 × 169,943,412.62 - Step 4: Simplify right side
293,023,598.19x = 74,598,490,205,639,296 - Step 5: Solve for x
x = 74,598,490,205,639,296/293,023,598.19 - Step 6: Final answer
x = 254,581,851.66
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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.