Finding the Fourth Proportional to 1,041,806,266.08, 1,437,639,850.09 and 618,438,024.06
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Solution
The fourth proportional to 1,041,806,266.08, 1,437,639,850.09 and 618,438,024.06 is: 853,413,131.74
Step by Step Solution
- Step 1: Write the proportion equation
1,041,806,266.08 : 1,437,639,850.09 = 618,438,024.06 : x - Step 2: Convert to fraction form
1,041,806,266.08/1,437,639,850.09 = 618,438,024.06/x - Step 3: Cross multiply
1,041,806,266.08x = 1,437,639,850.09 × 618,438,024.06 - Step 4: Simplify right side
1,041,806,266.08x = 889,091,148,199,574,016 - Step 5: Solve for x
x = 889,091,148,199,574,016/1,041,806,266.08 - Step 6: Final answer
x = 853,413,131.74
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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.