Finding the Fourth Proportional to 1,586,799,599.20, 2,189,653,285.71 and 934,169,177.60
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Solution
The fourth proportional to 1,586,799,599.20, 2,189,653,285.71 and 934,169,177.60 is: 1,289,076,837.53
Step by Step Solution
- Step 1: Write the proportion equation
1,586,799,599.20 : 2,189,653,285.71 = 934,169,177.60 : x - Step 2: Convert to fraction form
1,586,799,599.20/2,189,653,285.71 = 934,169,177.60/x - Step 3: Cross multiply
1,586,799,599.20x = 2,189,653,285.71 × 934,169,177.60 - Step 4: Simplify right side
1,586,799,599.20x = 2,045,506,609,138,436,352 - Step 5: Solve for x
x = 2,045,506,609,138,436,352/1,586,799,599.20 - Step 6: Final answer
x = 1,289,076,837.53
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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.