Finding the Fourth Proportional to 8,127,135,017.72, 12,187,774,877.10 and 2,813,804,582.90
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Solution
The fourth proportional to 8,127,135,017.72, 12,187,774,877.10 and 2,813,804,582.90 is: 4,219,693,253.50
Step by Step Solution
- Step 1: Write the proportion equation
8,127,135,017.72 : 12,187,774,877.10 = 2,813,804,582.90 : x - Step 2: Convert to fraction form
8,127,135,017.72/12,187,774,877.10 = 2,813,804,582.90/x - Step 3: Cross multiply
8,127,135,017.72x = 12,187,774,877.10 × 2,813,804,582.90 - Step 4: Simplify right side
8,127,135,017.72x = 34,294,016,804,537,466,880 - Step 5: Solve for x
x = 34,294,016,804,537,466,880/8,127,135,017.72 - Step 6: Final answer
x = 4,219,693,253.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.