Finding the Fourth Proportional to 559,815,406.32, 772,698,919.05 and 324,941,735.78
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Solution
The fourth proportional to 559,815,406.32, 772,698,919.05 and 324,941,735.78 is: 448,508,785.49
Step by Step Solution
- Step 1: Write the proportion equation
559,815,406.32 : 772,698,919.05 = 324,941,735.78 : x - Step 2: Convert to fraction form
559,815,406.32/772,698,919.05 = 324,941,735.78/x - Step 3: Cross multiply
559,815,406.32x = 772,698,919.05 × 324,941,735.78 - Step 4: Simplify right side
559,815,406.32x = 251,082,127,987,573,184 - Step 5: Solve for x
x = 251,082,127,987,573,184/559,815,406.32 - Step 6: Final answer
x = 448,508,785.49
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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.