Finding the Fourth Proportional to 916,656,810.06, 1,265,016,953.17 and 514,841,368.14
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Solution
The fourth proportional to 916,656,810.06, 1,265,016,953.17 and 514,841,368.14 is: 710,498,249.45
Step by Step Solution
- Step 1: Write the proportion equation
916,656,810.06 : 1,265,016,953.17 = 514,841,368.14 : x - Step 2: Convert to fraction form
916,656,810.06/1,265,016,953.17 = 514,841,368.14/x - Step 3: Cross multiply
916,656,810.06x = 1,265,016,953.17 × 514,841,368.14 - Step 4: Simplify right side
916,656,810.06x = 651,283,058,890,337,152 - Step 5: Solve for x
x = 651,283,058,890,337,152/916,656,810.06 - Step 6: Final answer
x = 710,498,249.45
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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.