Finding the Fourth Proportional to 748,125,275.60, 1,032,444,764.56 and 418,100,404.88
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Solution
The fourth proportional to 748,125,275.60, 1,032,444,764.56 and 418,100,404.88 is: 576,996,377.69
Step by Step Solution
- Step 1: Write the proportion equation
748,125,275.60 : 1,032,444,764.56 = 418,100,404.88 : x - Step 2: Convert to fraction form
748,125,275.60/1,032,444,764.56 = 418,100,404.88/x - Step 3: Cross multiply
748,125,275.60x = 1,032,444,764.56 × 418,100,404.88 - Step 4: Simplify right side
748,125,275.60x = 431,665,574,078,772,224 - Step 5: Solve for x
x = 431,665,574,078,772,224/748,125,275.60 - Step 6: Final answer
x = 576,996,377.69
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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.