Finding the Fourth Proportional to 1,492,996,967.10, 2,240,615,194.65 and 765,611,264.70
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Solution
The fourth proportional to 1,492,996,967.10, 2,240,615,194.65 and 765,611,264.70 is: 1,148,991,103.59
Step by Step Solution
- Step 1: Write the proportion equation
1,492,996,967.10 : 2,240,615,194.65 = 765,611,264.70 : x - Step 2: Convert to fraction form
1,492,996,967.10/2,240,615,194.65 = 765,611,264.70/x - Step 3: Cross multiply
1,492,996,967.10x = 2,240,615,194.65 × 765,611,264.70 - Step 4: Simplify right side
1,492,996,967.10x = 1,715,440,232,882,023,424 - Step 5: Solve for x
x = 1,715,440,232,882,023,424/1,492,996,967.10 - Step 6: Final answer
x = 1,148,991,103.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.