Finding the Fourth Proportional to 457,753,995.24, 631,623,931.18 and 269,619,747.81
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Solution
The fourth proportional to 457,753,995.24, 631,623,931.18 and 269,619,747.81 is: 372,030,144.59
Step by Step Solution
- Step 1: Write the proportion equation
457,753,995.24 : 631,623,931.18 = 269,619,747.81 : x - Step 2: Convert to fraction form
457,753,995.24/631,623,931.18 = 269,619,747.81/x - Step 3: Cross multiply
457,753,995.24x = 631,623,931.18 × 269,619,747.81 - Step 4: Simplify right side
457,753,995.24x = 170,298,285,035,512,384 - Step 5: Solve for x
x = 170,298,285,035,512,384/457,753,995.24 - Step 6: Final answer
x = 372,030,144.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.