Finding the Fourth Proportional to 1,213,347,034,805.10, 1,673,784,090,488.80 and 750,226,031,704.74
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Solution
The fourth proportional to 1,213,347,034,805.10, 1,673,784,090,488.80 and 750,226,031,704.74 is: 1,034,919,408,971.60
Step by Step Solution
- Step 1: Write the proportion equation
1,213,347,034,805.10 : 1,673,784,090,488.80 = 750,226,031,704.74 : x - Step 2: Convert to fraction form
1,213,347,034,805.10/1,673,784,090,488.80 = 750,226,031,704.74/x - Step 3: Cross multiply
1,213,347,034,805.10x = 1,673,784,090,488.80 × 750,226,031,704.74 - Step 4: Simplify right side
1,213,347,034,805.10x = 1,255,716,396,137,939,835,289,600 - Step 5: Solve for x
x = 1,255,716,396,137,939,835,289,600/1,213,347,034,805.10 - Step 6: Final answer
x = 1,034,919,408,971.60
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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.