Finding the Fourth Proportional to 2,619,689,858.04, 3,615,153,286.62 and 1,430,258,787.84
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Solution
The fourth proportional to 2,619,689,858.04, 3,615,153,286.62 and 1,430,258,787.84 is: 1,973,746,908.13
Step by Step Solution
- Step 1: Write the proportion equation
2,619,689,858.04 : 3,615,153,286.62 = 1,430,258,787.84 : x - Step 2: Convert to fraction form
2,619,689,858.04/3,615,153,286.62 = 1,430,258,787.84/x - Step 3: Cross multiply
2,619,689,858.04x = 3,615,153,286.62 × 1,430,258,787.84 - Step 4: Simplify right side
2,619,689,858.04x = 5,170,604,757,576,912,896 - Step 5: Solve for x
x = 5,170,604,757,576,912,896/2,619,689,858.04 - Step 6: Final answer
x = 1,973,746,908.13
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1.5x scale
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.