Finding the Fourth Proportional to 8,506,225,794.72, 11,738,779,506.12 and 4,695,739,720.80
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Solution
The fourth proportional to 8,506,225,794.72, 11,738,779,506.12 and 4,695,739,720.80 is: 6,480,224,547.39
Step by Step Solution
- Step 1: Write the proportion equation
8,506,225,794.72 : 11,738,779,506.12 = 4,695,739,720.80 : x - Step 2: Convert to fraction form
8,506,225,794.72/11,738,779,506.12 = 4,695,739,720.80/x - Step 3: Cross multiply
8,506,225,794.72x = 11,738,779,506.12 × 4,695,739,720.80 - Step 4: Simplify right side
8,506,225,794.72x = 55,122,253,200,600,694,784 - Step 5: Solve for x
x = 55,122,253,200,600,694,784/8,506,225,794.72 - Step 6: Final answer
x = 6,480,224,547.39
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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.