Finding the Fourth Proportional to 1,043,258,713.20, 1,564,888,069.80 and 559,529,305.20
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Solution
The fourth proportional to 1,043,258,713.20, 1,564,888,069.80 and 559,529,305.20 is: 839,293,957.80
Step by Step Solution
- Step 1: Write the proportion equation
1,043,258,713.20 : 1,564,888,069.80 = 559,529,305.20 : x - Step 2: Convert to fraction form
1,043,258,713.20/1,564,888,069.80 = 559,529,305.20/x - Step 3: Cross multiply
1,043,258,713.20x = 1,564,888,069.80 × 559,529,305.20 - Step 4: Simplify right side
1,043,258,713.20x = 875,600,734,410,963,200 - Step 5: Solve for x
x = 875,600,734,410,963,200/1,043,258,713.20 - Step 6: Final answer
x = 839,293,957.80
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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.