Finding the Fourth Proportional to 542,051,461.44, 748,028,412.72 and 307,101,616.79
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Solution
The fourth proportional to 542,051,461.44, 748,028,412.72 and 307,101,616.79 is: 423,798,755.82
Step by Step Solution
- Step 1: Write the proportion equation
542,051,461.44 : 748,028,412.72 = 307,101,616.79 : x - Step 2: Convert to fraction form
542,051,461.44/748,028,412.72 = 307,101,616.79/x - Step 3: Cross multiply
542,051,461.44x = 748,028,412.72 × 307,101,616.79 - Step 4: Simplify right side
542,051,461.44x = 229,720,734,947,429,280 - Step 5: Solve for x
x = 229,720,734,947,429,280/542,051,461.44 - Step 6: Final answer
x = 423,798,755.82
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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.