Finding the Fourth Proportional to 6,327,415,688.13, 9,484,479,639.65 and 2,128,910,893.98
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Solution
The fourth proportional to 6,327,415,688.13, 9,484,479,639.65 and 2,128,910,893.98 is: 3,191,130,948.84
Step by Step Solution
- Step 1: Write the proportion equation
6,327,415,688.13 : 9,484,479,639.65 = 2,128,910,893.98 : x - Step 2: Convert to fraction form
6,327,415,688.13/9,484,479,639.65 = 2,128,910,893.98/x - Step 3: Cross multiply
6,327,415,688.13x = 9,484,479,639.65 × 2,128,910,893.98 - Step 4: Simplify right side
6,327,415,688.13x = 20,191,612,028,571,746,304 - Step 5: Solve for x
x = 20,191,612,028,571,746,304/6,327,415,688.13 - Step 6: Final answer
x = 3,191,130,948.84
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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.