Finding the Fourth Proportional to 1,270,602,427.26, 1,753,473,881.52 and 706,111,104.18
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Solution
The fourth proportional to 1,270,602,427.26, 1,753,473,881.52 and 706,111,104.18 is: 974,456,960.00
Step by Step Solution
- Step 1: Write the proportion equation
1,270,602,427.26 : 1,753,473,881.52 = 706,111,104.18 : x - Step 2: Convert to fraction form
1,270,602,427.26/1,753,473,881.52 = 706,111,104.18/x - Step 3: Cross multiply
1,270,602,427.26x = 1,753,473,881.52 × 706,111,104.18 - Step 4: Simplify right side
1,270,602,427.26x = 1,238,147,378,630,877,696 - Step 5: Solve for x
x = 1,238,147,378,630,877,696/1,270,602,427.26 - Step 6: Final answer
x = 974,456,960.00
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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.