Finding the Fourth Proportional to 9,281,564,348.96, 12,808,560,183.28 and 5,052,508,342.56
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Solution
The fourth proportional to 9,281,564,348.96, 12,808,560,183.28 and 5,052,508,342.56 is: 6,972,462,264.88
Step by Step Solution
- Step 1: Write the proportion equation
9,281,564,348.96 : 12,808,560,183.28 = 5,052,508,342.56 : x - Step 2: Convert to fraction form
9,281,564,348.96/12,808,560,183.28 = 5,052,508,342.56/x - Step 3: Cross multiply
9,281,564,348.96x = 12,808,560,183.28 × 5,052,508,342.56 - Step 4: Simplify right side
9,281,564,348.96x = 64,715,357,182,204,051,456 - Step 5: Solve for x
x = 64,715,357,182,204,051,456/9,281,564,348.96 - Step 6: Final answer
x = 6,972,462,264.88
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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.