Finding the Fourth Proportional to 7,919,179,566.18, 10,929,404,686.41 and 4,704,102,258.42
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Solution
The fourth proportional to 7,919,179,566.18, 10,929,404,686.41 and 4,704,102,258.42 is: 6,492,217,639.32
Step by Step Solution
- Step 1: Write the proportion equation
7,919,179,566.18 : 10,929,404,686.41 = 4,704,102,258.42 : x - Step 2: Convert to fraction form
7,919,179,566.18/10,929,404,686.41 = 4,704,102,258.42/x - Step 3: Cross multiply
7,919,179,566.18x = 10,929,404,686.41 × 4,704,102,258.42 - Step 4: Simplify right side
7,919,179,566.18x = 51,413,037,268,549,042,176 - Step 5: Solve for x
x = 51,413,037,268,549,042,176/7,919,179,566.18 - Step 6: Final answer
x = 6,492,217,639.32
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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.