Finding the Fourth Proportional to 7,243,344,475.90, 10,865,016,713.85 and 2,073,486,427.90
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Solution
The fourth proportional to 7,243,344,475.90, 10,865,016,713.85 and 2,073,486,427.90 is: 3,110,229,641.85
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,475.90 : 10,865,016,713.85 = 2,073,486,427.90 : x - Step 2: Convert to fraction form
7,243,344,475.90/10,865,016,713.85 = 2,073,486,427.90/x - Step 3: Cross multiply
7,243,344,475.90x = 10,865,016,713.85 × 2,073,486,427.90 - Step 4: Simplify right side
7,243,344,475.90x = 22,528,464,695,074,635,776 - Step 5: Solve for x
x = 22,528,464,695,074,635,776/7,243,344,475.90 - Step 6: Final answer
x = 3,110,229,641.85
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Double scale
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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.