Finding the Fourth Proportional to 912,984,401,274.85, 1,259,943,077,806.80 and 537,155,177,537.65
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Solution
The fourth proportional to 912,984,401,274.85, 1,259,943,077,806.80 and 537,155,177,537.65 is: 741,288,620,815.00
Step by Step Solution
- Step 1: Write the proportion equation
912,984,401,274.85 : 1,259,943,077,806.80 = 537,155,177,537.65 : x - Step 2: Convert to fraction form
912,984,401,274.85/1,259,943,077,806.80 = 537,155,177,537.65/x - Step 3: Cross multiply
912,984,401,274.85x = 1,259,943,077,806.80 × 537,155,177,537.65 - Step 4: Simplify right side
912,984,401,274.85x = 676,784,947,646,644,856,291,328 - Step 5: Solve for x
x = 676,784,947,646,644,856,291,328/912,984,401,274.85 - Step 6: Final answer
x = 741,288,620,815.00
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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.