Finding the Fourth Proportional to 742,054,150.92, 1,024,432,294.86 and 572,137,276.44
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Solution
The fourth proportional to 742,054,150.92, 1,024,432,294.86 and 572,137,276.44 is: 789,855,972.58
Step by Step Solution
- Step 1: Write the proportion equation
742,054,150.92 : 1,024,432,294.86 = 572,137,276.44 : x - Step 2: Convert to fraction form
742,054,150.92/1,024,432,294.86 = 572,137,276.44/x - Step 3: Cross multiply
742,054,150.92x = 1,024,432,294.86 × 572,137,276.44 - Step 4: Simplify right side
742,054,150.92x = 586,115,903,078,379,520 - Step 5: Solve for x
x = 586,115,903,078,379,520/742,054,150.92 - Step 6: Final answer
x = 789,855,972.58
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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.