Finding the Fourth Proportional to 277,748,349.55, 415,805,235.74 and 185,403,036.35
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Solution
The fourth proportional to 277,748,349.55, 415,805,235.74 and 185,403,036.35 is: 277,558,996.70
Step by Step Solution
- Step 1: Write the proportion equation
277,748,349.55 : 415,805,235.74 = 185,403,036.35 : x - Step 2: Convert to fraction form
277,748,349.55/415,805,235.74 = 185,403,036.35/x - Step 3: Cross multiply
277,748,349.55x = 415,805,235.74 × 185,403,036.35 - Step 4: Simplify right side
277,748,349.55x = 77,091,553,235,496,528 - Step 5: Solve for x
x = 77,091,553,235,496,528/277,748,349.55 - Step 6: Final answer
x = 277,558,996.70
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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.