Finding the Fourth Proportional to 346,462,951.92, 478,001,169.30 and 197,677,186.62
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Solution
The fourth proportional to 346,462,951.92, 478,001,169.30 and 197,677,186.62 is: 272,727,360.38
Step by Step Solution
- Step 1: Write the proportion equation
346,462,951.92 : 478,001,169.30 = 197,677,186.62 : x - Step 2: Convert to fraction form
346,462,951.92/478,001,169.30 = 197,677,186.62/x - Step 3: Cross multiply
346,462,951.92x = 478,001,169.30 × 197,677,186.62 - Step 4: Simplify right side
346,462,951.92x = 94,489,926,348,294,320 - Step 5: Solve for x
x = 94,489,926,348,294,320/346,462,951.92 - Step 6: Final answer
x = 272,727,360.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.