Finding the Fourth Proportional to 2,924,173,999.68, 4,385,829,547.94 and 853,339,741.44
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Solution
The fourth proportional to 2,924,173,999.68, 4,385,829,547.94 and 853,339,741.44 is: 1,279,883,704.89
Step by Step Solution
- Step 1: Write the proportion equation
2,924,173,999.68 : 4,385,829,547.94 = 853,339,741.44 : x - Step 2: Convert to fraction form
2,924,173,999.68/4,385,829,547.94 = 853,339,741.44/x - Step 3: Cross multiply
2,924,173,999.68x = 4,385,829,547.94 × 853,339,741.44 - Step 4: Simplify right side
2,924,173,999.68x = 3,742,602,652,439,031,808 - Step 5: Solve for x
x = 3,742,602,652,439,031,808/2,924,173,999.68 - Step 6: Final answer
x = 1,279,883,704.89
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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.