Finding the Fourth Proportional to 1,793,684,120.72, 2,475,357,541.92 and 1,133,393,478.80
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Solution
The fourth proportional to 1,793,684,120.72, 2,475,357,541.92 and 1,133,393,478.80 is: 1,564,129,415.71
Step by Step Solution
- Step 1: Write the proportion equation
1,793,684,120.72 : 2,475,357,541.92 = 1,133,393,478.80 : x - Step 2: Convert to fraction form
1,793,684,120.72/2,475,357,541.92 = 1,133,393,478.80/x - Step 3: Cross multiply
1,793,684,120.72x = 2,475,357,541.92 × 1,133,393,478.80 - Step 4: Simplify right side
1,793,684,120.72x = 2,805,554,095,710,525,440 - Step 5: Solve for x
x = 2,805,554,095,710,525,440/1,793,684,120.72 - Step 6: Final answer
x = 1,564,129,415.71
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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.