Finding the Fourth Proportional to 4,199,046,494.80, 6,298,569,742.20 and 1,437,757,790.80
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Solution
The fourth proportional to 4,199,046,494.80, 6,298,569,742.20 and 1,437,757,790.80 is: 2,156,636,686.20
Step by Step Solution
- Step 1: Write the proportion equation
4,199,046,494.80 : 6,298,569,742.20 = 1,437,757,790.80 : x - Step 2: Convert to fraction form
4,199,046,494.80/6,298,569,742.20 = 1,437,757,790.80/x - Step 3: Cross multiply
4,199,046,494.80x = 6,298,569,742.20 × 1,437,757,790.80 - Step 4: Simplify right side
4,199,046,494.80x = 9,055,817,717,745,197,056 - Step 5: Solve for x
x = 9,055,817,717,745,197,056/4,199,046,494.80 - Step 6: Final answer
x = 2,156,636,686.20
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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.