Finding the Fourth Proportional to 1,700,750,943.63, 2,347,036,282.71 and 918,469,791.63
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Solution
The fourth proportional to 1,700,750,943.63, 2,347,036,282.71 and 918,469,791.63 is: 1,267,488,301.92
Step by Step Solution
- Step 1: Write the proportion equation
1,700,750,943.63 : 2,347,036,282.71 = 918,469,791.63 : x - Step 2: Convert to fraction form
1,700,750,943.63/2,347,036,282.71 = 918,469,791.63/x - Step 3: Cross multiply
1,700,750,943.63x = 2,347,036,282.71 × 918,469,791.63 - Step 4: Simplify right side
1,700,750,943.63x = 2,155,681,925,528,703,488 - Step 5: Solve for x
x = 2,155,681,925,528,703,488/1,700,750,943.63 - Step 6: Final answer
x = 1,267,488,301.92
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1.5x scale
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.