Finding the Fourth Proportional to 1,034,588,434.66, 1,429,599,627.65 and 736,713,532.99
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Solution
The fourth proportional to 1,034,588,434.66, 1,429,599,627.65 and 736,713,532.99 is: 1,017,994,554.32
Step by Step Solution
- Step 1: Write the proportion equation
1,034,588,434.66 : 1,429,599,627.65 = 736,713,532.99 : x - Step 2: Convert to fraction form
1,034,588,434.66/1,429,599,627.65 = 736,713,532.99/x - Step 3: Cross multiply
1,034,588,434.66x = 1,429,599,627.65 × 736,713,532.99 - Step 4: Simplify right side
1,034,588,434.66x = 1,053,205,392,442,842,880 - Step 5: Solve for x
x = 1,053,205,392,442,842,880/1,034,588,434.66 - Step 6: Final answer
x = 1,017,994,554.32
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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.