Finding the Fourth Proportional to 708,588,743.70, 1,062,883,115.55 and 708,588,743.70
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Solution
The fourth proportional to 708,588,743.70, 1,062,883,115.55 and 708,588,743.70 is: 1,062,883,115.55
Step by Step Solution
- Step 1: Write the proportion equation
708,588,743.70 : 1,062,883,115.55 = 708,588,743.70 : x - Step 2: Convert to fraction form
708,588,743.70/1,062,883,115.55 = 708,588,743.70/x - Step 3: Cross multiply
708,588,743.70x = 1,062,883,115.55 × 708,588,743.70 - Step 4: Simplify right side
708,588,743.70x = 753,147,011,547,516,416 - Step 5: Solve for x
x = 753,147,011,547,516,416/708,588,743.70 - Step 6: Final answer
x = 1,062,883,115.55
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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.