Finding the Fourth Proportional to 1,041,806,265.08, 1,437,639,848.71 and 618,438,023.06
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Solution
The fourth proportional to 1,041,806,265.08, 1,437,639,848.71 and 618,438,023.06 is: 853,413,130.35
Step by Step Solution
- Step 1: Write the proportion equation
1,041,806,265.08 : 1,437,639,848.71 = 618,438,023.06 : x - Step 2: Convert to fraction form
1,041,806,265.08/1,437,639,848.71 = 618,438,023.06/x - Step 3: Cross multiply
1,041,806,265.08x = 1,437,639,848.71 × 618,438,023.06 - Step 4: Simplify right side
1,041,806,265.08x = 889,091,145,899,755,520 - Step 5: Solve for x
x = 889,091,145,899,755,520/1,041,806,265.08 - Step 6: Final answer
x = 853,413,130.35
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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.