Finding the Fourth Proportional to 9,931,286,705.04, 13,708,496,701.08 and 5,918,215,396.14
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Solution
The fourth proportional to 9,931,286,705.04, 13,708,496,701.08 and 5,918,215,396.14 is: 8,169,116,313.31
Step by Step Solution
- Step 1: Write the proportion equation
9,931,286,705.04 : 13,708,496,701.08 = 5,918,215,396.14 : x - Step 2: Convert to fraction form
9,931,286,705.04/13,708,496,701.08 = 5,918,215,396.14/x - Step 3: Cross multiply
9,931,286,705.04x = 13,708,496,701.08 × 5,918,215,396.14 - Step 4: Simplify right side
9,931,286,705.04x = 81,129,836,234,266,066,944 - Step 5: Solve for x
x = 81,129,836,234,266,066,944/9,931,286,705.04 - Step 6: Final answer
x = 8,169,116,313.31
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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.