Finding the Fourth Proportional to 6,977,717,010.95, 9,630,063,555.12 and 3,967,420,762.98
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Solution
The fourth proportional to 6,977,717,010.95, 9,630,063,555.12 and 3,967,420,762.98 is: 5,475,503,526.08
Step by Step Solution
- Step 1: Write the proportion equation
6,977,717,010.95 : 9,630,063,555.12 = 3,967,420,762.98 : x - Step 2: Convert to fraction form
6,977,717,010.95/9,630,063,555.12 = 3,967,420,762.98/x - Step 3: Cross multiply
6,977,717,010.95x = 9,630,063,555.12 × 3,967,420,762.98 - Step 4: Simplify right side
6,977,717,010.95x = 38,206,514,097,400,086,528 - Step 5: Solve for x
x = 38,206,514,097,400,086,528/6,977,717,010.95 - Step 6: Final answer
x = 5,475,503,526.08
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Double scale
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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.