Finding the Fourth Proportional to 2,124,664,547.30, 3,186,996,820.95 and 744,299,693.90
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Solution
The fourth proportional to 2,124,664,547.30, 3,186,996,820.95 and 744,299,693.90 is: 1,116,449,540.85
Step by Step Solution
- Step 1: Write the proportion equation
2,124,664,547.30 : 3,186,996,820.95 = 744,299,693.90 : x - Step 2: Convert to fraction form
2,124,664,547.30/3,186,996,820.95 = 744,299,693.90/x - Step 3: Cross multiply
2,124,664,547.30x = 3,186,996,820.95 × 744,299,693.90 - Step 4: Simplify right side
2,124,664,547.30x = 2,372,080,758,293,358,080 - Step 5: Solve for x
x = 2,372,080,758,293,358,080/2,124,664,547.30 - Step 6: Final answer
x = 1,116,449,540.85
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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.