Finding the Fourth Proportional to 302,798,161.17, 417,939,209.64 and 197,214,681
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Solution
The fourth proportional to 302,798,161.17, 417,939,209.64 and 197,214,681 is: 272,206,897.12
Step by Step Solution
- Step 1: Write the proportion equation
302,798,161.17 : 417,939,209.64 = 197,214,681 : x - Step 2: Convert to fraction form
302,798,161.17/417,939,209.64 = 197,214,681/x - Step 3: Cross multiply
302,798,161.17x = 417,939,209.64 × 197,214,681 - Step 4: Simplify right side
302,798,161.17x = 82,423,747,906,544,720 - Step 5: Solve for x
x = 82,423,747,906,544,720/302,798,161.17 - Step 6: Final answer
x = 272,206,897.12
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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.