Finding the Fourth Proportional to 1,177,739,397.60, 1,625,344,284.12 and 675,944,169.48
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Solution
The fourth proportional to 1,177,739,397.60, 1,625,344,284.12 and 675,944,169.48 is: 932,839,637.09
Step by Step Solution
- Step 1: Write the proportion equation
1,177,739,397.60 : 1,625,344,284.12 = 675,944,169.48 : x - Step 2: Convert to fraction form
1,177,739,397.60/1,625,344,284.12 = 675,944,169.48/x - Step 3: Cross multiply
1,177,739,397.60x = 1,625,344,284.12 × 675,944,169.48 - Step 4: Simplify right side
1,177,739,397.60x = 1,098,641,992,248,558,464 - Step 5: Solve for x
x = 1,098,641,992,248,558,464/1,177,739,397.60 - Step 6: Final answer
x = 932,839,637.09
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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.