Finding the Fourth Proportional to 657,931,014.70, 986,896,522.05 and 528,790,851.70
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Solution
The fourth proportional to 657,931,014.70, 986,896,522.05 and 528,790,851.70 is: 793,186,277.55
Step by Step Solution
- Step 1: Write the proportion equation
657,931,014.70 : 986,896,522.05 = 528,790,851.70 : x - Step 2: Convert to fraction form
657,931,014.70/986,896,522.05 = 528,790,851.70/x - Step 3: Cross multiply
657,931,014.70x = 986,896,522.05 × 528,790,851.70 - Step 4: Simplify right side
657,931,014.70x = 521,861,852,434,587,264 - Step 5: Solve for x
x = 521,861,852,434,587,264/657,931,014.70 - Step 6: Final answer
x = 793,186,277.55
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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.