Finding the Fourth Proportional to 882,378,148.66, 1,322,328,462.41 and 697,332,142.06
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Solution
The fourth proportional to 882,378,148.66, 1,322,328,462.41 and 697,332,142.06 is: 1,045,019,236.48
Step by Step Solution
- Step 1: Write the proportion equation
882,378,148.66 : 1,322,328,462.41 = 697,332,142.06 : x - Step 2: Convert to fraction form
882,378,148.66/1,322,328,462.41 = 697,332,142.06/x - Step 3: Cross multiply
882,378,148.66x = 1,322,328,462.41 × 697,332,142.06 - Step 4: Simplify right side
882,378,148.66x = 922,102,139,197,708,928 - Step 5: Solve for x
x = 922,102,139,197,708,928/882,378,148.66 - Step 6: Final answer
x = 1,045,019,236.48
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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.