Finding the Fourth Proportional to 98,720,908,767.03, 148,034,682,923.14 and 38,243,512,276.05
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Solution
The fourth proportional to 98,720,908,767.03, 148,034,682,923.14 and 38,243,512,276.05 is: 57,347,184,951.59
Step by Step Solution
- Step 1: Write the proportion equation
98,720,908,767.03 : 148,034,682,923.14 = 38,243,512,276.05 : x - Step 2: Convert to fraction form
98,720,908,767.03/148,034,682,923.14 = 38,243,512,276.05/x - Step 3: Cross multiply
98,720,908,767.03x = 148,034,682,923.14 × 38,243,512,276.05 - Step 4: Simplify right side
98,720,908,767.03x = 5,661,366,213,652,274,741,248 - Step 5: Solve for x
x = 5,661,366,213,652,274,741,248/98,720,908,767.03 - Step 6: Final answer
x = 57,347,184,951.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.