Finding the Fourth Proportional to 4,813,840,831.10, 7,220,761,246.65 and 2,977,180,735.10
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Solution
The fourth proportional to 4,813,840,831.10, 7,220,761,246.65 and 2,977,180,735.10 is: 4,465,771,102.65
Step by Step Solution
- Step 1: Write the proportion equation
4,813,840,831.10 : 7,220,761,246.65 = 2,977,180,735.10 : x - Step 2: Convert to fraction form
4,813,840,831.10/7,220,761,246.65 = 2,977,180,735.10/x - Step 3: Cross multiply
4,813,840,831.10x = 7,220,761,246.65 × 2,977,180,735.10 - Step 4: Simplify right side
4,813,840,831.10x = 21,497,511,276,283,035,648 - Step 5: Solve for x
x = 21,497,511,276,283,035,648/4,813,840,831.10 - Step 6: Final answer
x = 4,465,771,102.65
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1.5x scale
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.