Finding the Fourth Proportional to 989,070,238.08, 1,364,848,652.16 and 549,002,448
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Solution
The fourth proportional to 989,070,238.08, 1,364,848,652.16 and 549,002,448 is: 757,585,480.12
Step by Step Solution
- Step 1: Write the proportion equation
989,070,238.08 : 1,364,848,652.16 = 549,002,448 : x - Step 2: Convert to fraction form
989,070,238.08/1,364,848,652.16 = 549,002,448/x - Step 3: Cross multiply
989,070,238.08x = 1,364,848,652.16 × 549,002,448 - Step 4: Simplify right side
989,070,238.08x = 749,305,251,185,340,544 - Step 5: Solve for x
x = 749,305,251,185,340,544/989,070,238.08 - Step 6: Final answer
x = 757,585,480.12
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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.