Finding the Fourth Proportional to 538,832,285.70, 808,248,428.55 and 232,722,269.70
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Solution
The fourth proportional to 538,832,285.70, 808,248,428.55 and 232,722,269.70 is: 349,083,404.55
Step by Step Solution
- Step 1: Write the proportion equation
538,832,285.70 : 808,248,428.55 = 232,722,269.70 : x - Step 2: Convert to fraction form
538,832,285.70/808,248,428.55 = 232,722,269.70/x - Step 3: Cross multiply
538,832,285.70x = 808,248,428.55 × 232,722,269.70 - Step 4: Simplify right side
538,832,285.70x = 188,097,408,773,614,272 - Step 5: Solve for x
x = 188,097,408,773,614,272/538,832,285.70 - Step 6: Final answer
x = 349,083,404.55
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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.