Finding the Fourth Proportional to 3,743,852,603.60, 5,615,778,905.40 and 2,655,461,435.60
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Solution
The fourth proportional to 3,743,852,603.60, 5,615,778,905.40 and 2,655,461,435.60 is: 3,983,192,153.40
Step by Step Solution
- Step 1: Write the proportion equation
3,743,852,603.60 : 5,615,778,905.40 = 2,655,461,435.60 : x - Step 2: Convert to fraction form
3,743,852,603.60/5,615,778,905.40 = 2,655,461,435.60/x - Step 3: Cross multiply
3,743,852,603.60x = 5,615,778,905.40 × 2,655,461,435.60 - Step 4: Simplify right side
3,743,852,603.60x = 14,912,484,314,145,679,360 - Step 5: Solve for x
x = 14,912,484,314,145,679,360/3,743,852,603.60 - Step 6: Final answer
x = 3,983,192,153.40
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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.