Finding the Fourth Proportional to 780,660,332.08, 1,170,875,313.99 and 227,814,320.78
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Solution
The fourth proportional to 780,660,332.08, 1,170,875,313.99 and 227,814,320.78 is: 341,687,867.84
Step by Step Solution
- Step 1: Write the proportion equation
780,660,332.08 : 1,170,875,313.99 = 227,814,320.78 : x - Step 2: Convert to fraction form
780,660,332.08/1,170,875,313.99 = 227,814,320.78/x - Step 3: Cross multiply
780,660,332.08x = 1,170,875,313.99 × 227,814,320.78 - Step 4: Simplify right side
780,660,332.08x = 266,742,164,373,237,504 - Step 5: Solve for x
x = 266,742,164,373,237,504/780,660,332.08 - Step 6: Final answer
x = 341,687,867.84
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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.