Finding the Fourth Proportional to 944,784,831.60, 1,417,177,247.40 and 870,170,515.20
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Solution
The fourth proportional to 944,784,831.60, 1,417,177,247.40 and 870,170,515.20 is: 1,305,255,772.80
Step by Step Solution
- Step 1: Write the proportion equation
944,784,831.60 : 1,417,177,247.40 = 870,170,515.20 : x - Step 2: Convert to fraction form
944,784,831.60/1,417,177,247.40 = 870,170,515.20/x - Step 3: Cross multiply
944,784,831.60x = 1,417,177,247.40 × 870,170,515.20 - Step 4: Simplify right side
944,784,831.60x = 1,233,185,855,499,776,000 - Step 5: Solve for x
x = 1,233,185,855,499,776,000/944,784,831.60 - Step 6: Final answer
x = 1,305,255,772.80
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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.