Finding the Fourth Proportional to 1,627,926,651.84, 2,246,539,885.74 and 913,363,561.56
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Solution
The fourth proportional to 1,627,926,651.84, 2,246,539,885.74 and 913,363,561.56 is: 1,260,442,335.60
Step by Step Solution
- Step 1: Write the proportion equation
1,627,926,651.84 : 2,246,539,885.74 = 913,363,561.56 : x - Step 2: Convert to fraction form
1,627,926,651.84/2,246,539,885.74 = 913,363,561.56/x - Step 3: Cross multiply
1,627,926,651.84x = 2,246,539,885.74 × 913,363,561.56 - Step 4: Simplify right side
1,627,926,651.84x = 2,051,907,671,226,081,536 - Step 5: Solve for x
x = 2,051,907,671,226,081,536/1,627,926,651.84 - Step 6: Final answer
x = 1,260,442,335.60
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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.