Finding the Fourth Proportional to 1,050,587,108.88, 1,449,784,921.68 and 574,256,103.12
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Solution
The fourth proportional to 1,050,587,108.88, 1,449,784,921.68 and 574,256,103.12 is: 792,459,599.45
Step by Step Solution
- Step 1: Write the proportion equation
1,050,587,108.88 : 1,449,784,921.68 = 574,256,103.12 : x - Step 2: Convert to fraction form
1,050,587,108.88/1,449,784,921.68 = 574,256,103.12/x - Step 3: Cross multiply
1,050,587,108.88x = 1,449,784,921.68 × 574,256,103.12 - Step 4: Simplify right side
1,050,587,108.88x = 832,547,839,486,091,264 - Step 5: Solve for x
x = 832,547,839,486,091,264/1,050,587,108.88 - Step 6: Final answer
x = 792,459,599.45
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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.