Finding the Fourth Proportional to 440,037,831.10, 660,056,868.96 and 163,652,933.48
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Solution
The fourth proportional to 440,037,831.10, 660,056,868.96 and 163,652,933.48 is: 245,479,445.71
Step by Step Solution
- Step 1: Write the proportion equation
440,037,831.10 : 660,056,868.96 = 163,652,933.48 : x - Step 2: Convert to fraction form
440,037,831.10/660,056,868.96 = 163,652,933.48/x - Step 3: Cross multiply
440,037,831.10x = 660,056,868.96 × 163,652,933.48 - Step 4: Simplify right side
440,037,831.10x = 108,020,242,868,927,952 - Step 5: Solve for x
x = 108,020,242,868,927,952/440,037,831.10 - Step 6: Final answer
x = 245,479,445.71
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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.