Finding the Fourth Proportional to 3,712,063,873.56, 5,122,745,232.63 and 2,018,617,561.58
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Solution
The fourth proportional to 3,712,063,873.56, 5,122,745,232.63 and 2,018,617,561.58 is: 2,785,745,030.88
Step by Step Solution
- Step 1: Write the proportion equation
3,712,063,873.56 : 5,122,745,232.63 = 2,018,617,561.58 : x - Step 2: Convert to fraction form
3,712,063,873.56/5,122,745,232.63 = 2,018,617,561.58/x - Step 3: Cross multiply
3,712,063,873.56x = 5,122,745,232.63 × 2,018,617,561.58 - Step 4: Simplify right side
3,712,063,873.56x = 10,340,863,490,077,046,784 - Step 5: Solve for x
x = 10,340,863,490,077,046,784/3,712,063,873.56 - Step 6: Final answer
x = 2,785,745,030.88
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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.