Finding the Fourth Proportional to 293,379,501.30, 440,122,396.05 and 147,445,802.70
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Solution
The fourth proportional to 293,379,501.30, 440,122,396.05 and 147,445,802.70 is: 221,195,413.05
Step by Step Solution
- Step 1: Write the proportion equation
293,379,501.30 : 440,122,396.05 = 147,445,802.70 : x - Step 2: Convert to fraction form
293,379,501.30/440,122,396.05 = 147,445,802.70/x - Step 3: Cross multiply
293,379,501.30x = 440,122,396.05 × 147,445,802.70 - Step 4: Simplify right side
293,379,501.30x = 64,894,199,971,839,552 - Step 5: Solve for x
x = 64,894,199,971,839,552/293,379,501.30 - Step 6: Final answer
x = 221,195,413.05
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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.