Finding the Fourth Proportional to 475,126,783.31, 655,700,659.11 and 266,349,989.63
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Solution
The fourth proportional to 475,126,783.31, 655,700,659.11 and 266,349,989.63 is: 367,577,391.74
Step by Step Solution
- Step 1: Write the proportion equation
475,126,783.31 : 655,700,659.11 = 266,349,989.63 : x - Step 2: Convert to fraction form
475,126,783.31/655,700,659.11 = 266,349,989.63/x - Step 3: Cross multiply
475,126,783.31x = 655,700,659.11 × 266,349,989.63 - Step 4: Simplify right side
475,126,783.31x = 174,645,863,754,332,672 - Step 5: Solve for x
x = 174,645,863,754,332,672/475,126,783.31 - Step 6: Final answer
x = 367,577,391.74
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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.