Finding the Fourth Proportional to 371,878,045.70, 557,817,068.55 and 349,203,229.70
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Solution
The fourth proportional to 371,878,045.70, 557,817,068.55 and 349,203,229.70 is: 523,804,844.55
Step by Step Solution
- Step 1: Write the proportion equation
371,878,045.70 : 557,817,068.55 = 349,203,229.70 : x - Step 2: Convert to fraction form
371,878,045.70/557,817,068.55 = 349,203,229.70/x - Step 3: Cross multiply
371,878,045.70x = 557,817,068.55 × 349,203,229.70 - Step 4: Simplify right side
371,878,045.70x = 194,791,521,919,446,272 - Step 5: Solve for x
x = 194,791,521,919,446,272/371,878,045.70 - Step 6: Final answer
x = 523,804,844.55
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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.