Finding the Fourth Proportional to 525,259,985.94, 787,975,601.58 and 161,754,341.94
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Solution
The fourth proportional to 525,259,985.94, 787,975,601.58 and 161,754,341.94 is: 242,657,880.50
Step by Step Solution
- Step 1: Write the proportion equation
525,259,985.94 : 787,975,601.58 = 161,754,341.94 : x - Step 2: Convert to fraction form
525,259,985.94/787,975,601.58 = 161,754,341.94/x - Step 3: Cross multiply
525,259,985.94x = 787,975,601.58 × 161,754,341.94 - Step 4: Simplify right side
525,259,985.94x = 127,458,474,898,348,528 - Step 5: Solve for x
x = 127,458,474,898,348,528/525,259,985.94 - Step 6: Final answer
x = 242,657,880.50
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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.