Finding the Fourth Proportional to 2,419,069,702.08, 3,629,133,753.12 and 783,459,641.28
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Solution
The fourth proportional to 2,419,069,702.08, 3,629,133,753.12 and 783,459,641.28 is: 1,175,360,852.95
Step by Step Solution
- Step 1: Write the proportion equation
2,419,069,702.08 : 3,629,133,753.12 = 783,459,641.28 : x - Step 2: Convert to fraction form
2,419,069,702.08/3,629,133,753.12 = 783,459,641.28/x - Step 3: Cross multiply
2,419,069,702.08x = 3,629,133,753.12 × 783,459,641.28 - Step 4: Simplify right side
2,419,069,702.08x = 2,843,279,828,376,535,040 - Step 5: Solve for x
x = 2,843,279,828,376,535,040/2,419,069,702.08 - Step 6: Final answer
x = 1,175,360,852.95
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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.