Finding the Fourth Proportional to 963,515,439.84, 1,329,651,306.84 and 545,827,725.13
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Solution
The fourth proportional to 963,515,439.84, 1,329,651,306.84 and 545,827,725.13 is: 753,242,260.60
Step by Step Solution
- Step 1: Write the proportion equation
963,515,439.84 : 1,329,651,306.84 = 545,827,725.13 : x - Step 2: Convert to fraction form
963,515,439.84/1,329,651,306.84 = 545,827,725.13/x - Step 3: Cross multiply
963,515,439.84x = 1,329,651,306.84 × 545,827,725.13 - Step 4: Simplify right side
963,515,439.84x = 725,760,548,028,608,768 - Step 5: Solve for x
x = 725,760,548,028,608,768/963,515,439.84 - Step 6: Final answer
x = 753,242,260.60
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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.