Finding the Fourth Proportional to 555,861,985.41, 833,798,965.02 and 167,688,178.80
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Solution
The fourth proportional to 555,861,985.41, 833,798,965.02 and 167,688,178.80 is: 251,534,074.28
Step by Step Solution
- Step 1: Write the proportion equation
555,861,985.41 : 833,798,965.02 = 167,688,178.80 : x - Step 2: Convert to fraction form
555,861,985.41/833,798,965.02 = 167,688,178.80/x - Step 3: Cross multiply
555,861,985.41x = 833,798,965.02 × 167,688,178.80 - Step 4: Simplify right side
555,861,985.41x = 139,818,229,929,528,720 - Step 5: Solve for x
x = 139,818,229,929,528,720/555,861,985.41 - Step 6: Final answer
x = 251,534,074.28
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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.