Finding the Fourth Proportional to 752,716,105.08, 1,038,687,325.81 and 435,196,722.84
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Solution
The fourth proportional to 752,716,105.08, 1,038,687,325.81 and 435,196,722.84 is: 600,536,267.52
Step by Step Solution
- Step 1: Write the proportion equation
752,716,105.08 : 1,038,687,325.81 = 435,196,722.84 : x - Step 2: Convert to fraction form
752,716,105.08/1,038,687,325.81 = 435,196,722.84/x - Step 3: Cross multiply
752,716,105.08x = 1,038,687,325.81 × 435,196,722.84 - Step 4: Simplify right side
752,716,105.08x = 452,033,320,247,955,328 - Step 5: Solve for x
x = 452,033,320,247,955,328/752,716,105.08 - Step 6: Final answer
x = 600,536,267.52
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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.