Finding the Fourth Proportional to 932,314,089.99, 1,286,593,249.10 and 514,626,265.11
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Solution
The fourth proportional to 932,314,089.99, 1,286,593,249.10 and 514,626,265.11 is: 710,184,138.16
Step by Step Solution
- Step 1: Write the proportion equation
932,314,089.99 : 1,286,593,249.10 = 514,626,265.11 : x - Step 2: Convert to fraction form
932,314,089.99/1,286,593,249.10 = 514,626,265.11/x - Step 3: Cross multiply
932,314,089.99x = 1,286,593,249.10 × 514,626,265.11 - Step 4: Simplify right side
932,314,089.99x = 662,114,678,497,499,776 - Step 5: Solve for x
x = 662,114,678,497,499,776/932,314,089.99 - Step 6: Final answer
x = 710,184,138.16
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Double scale
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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.