Finding the Fourth Proportional to 861,257,548.30, 1,291,823,831.85 and 336,527,984.74
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Solution
The fourth proportional to 861,257,548.30, 1,291,823,831.85 and 336,527,984.74 is: 504,767,559.52
Step by Step Solution
- Step 1: Write the proportion equation
861,257,548.30 : 1,291,823,831.85 = 336,527,984.74 : x - Step 2: Convert to fraction form
861,257,548.30/1,291,823,831.85 = 336,527,984.74/x - Step 3: Cross multiply
861,257,548.30x = 1,291,823,831.85 × 336,527,984.74 - Step 4: Simplify right side
861,257,548.30x = 434,734,870,771,585,088 - Step 5: Solve for x
x = 434,734,870,771,585,088/861,257,548.30 - Step 6: Final answer
x = 504,767,559.52
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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.