Finding the Fourth Proportional to 347,745,325.70, 521,617,988.55 and 186,502,189.70
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Solution
The fourth proportional to 347,745,325.70, 521,617,988.55 and 186,502,189.70 is: 279,753,284.55
Step by Step Solution
- Step 1: Write the proportion equation
347,745,325.70 : 521,617,988.55 = 186,502,189.70 : x - Step 2: Convert to fraction form
347,745,325.70/521,617,988.55 = 186,502,189.70/x - Step 3: Cross multiply
347,745,325.70x = 521,617,988.55 × 186,502,189.70 - Step 4: Simplify right side
347,745,325.70x = 97,282,897,051,484,528 - Step 5: Solve for x
x = 97,282,897,051,484,528/347,745,325.70 - Step 6: Final answer
x = 279,753,284.55
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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.