Finding the Fourth Proportional to 5,481,341,962.45, 7,564,056,193.36 and 3,102,428,823.88
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Solution
The fourth proportional to 5,481,341,962.45, 7,564,056,193.36 and 3,102,428,823.88 is: 4,281,241,002.75
Step by Step Solution
- Step 1: Write the proportion equation
5,481,341,962.45 : 7,564,056,193.36 = 3,102,428,823.88 : x - Step 2: Convert to fraction form
5,481,341,962.45/7,564,056,193.36 = 3,102,428,823.88/x - Step 3: Cross multiply
5,481,341,962.45x = 7,564,056,193.36 × 3,102,428,823.88 - Step 4: Simplify right side
5,481,341,962.45x = 23,466,945,959,690,272,768 - Step 5: Solve for x
x = 23,466,945,959,690,272,768/5,481,341,962.45 - Step 6: Final answer
x = 4,281,241,002.75
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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.