Finding the Fourth Proportional to 379,904,741.14, 569,711,848.74 and 207,289,292.62
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Solution
The fourth proportional to 379,904,741.14, 569,711,848.74 and 207,289,292.62 is: 310,854,678.38
Step by Step Solution
- Step 1: Write the proportion equation
379,904,741.14 : 569,711,848.74 = 207,289,292.62 : x - Step 2: Convert to fraction form
379,904,741.14/569,711,848.74 = 207,289,292.62/x - Step 3: Cross multiply
379,904,741.14x = 569,711,848.74 × 207,289,292.62 - Step 4: Simplify right side
379,904,741.14x = 118,095,166,122,547,040 - Step 5: Solve for x
x = 118,095,166,122,547,040/379,904,741.14 - Step 6: Final answer
x = 310,854,678.38
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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.