Finding the Fourth Proportional to 2,107,400,513, 2,908,212,707.94 and 1,180,252,481
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Solution
The fourth proportional to 2,107,400,513, 2,908,212,707.94 and 1,180,252,481 is: 1,628,748,423.78
Step by Step Solution
- Step 1: Write the proportion equation
2,107,400,513 : 2,908,212,707.94 = 1,180,252,481 : x - Step 2: Convert to fraction form
2,107,400,513/2,908,212,707.94 = 1,180,252,481/x - Step 3: Cross multiply
2,107,400,513x = 2,908,212,707.94 × 1,180,252,481 - Step 4: Simplify right side
2,107,400,513x = 3,432,425,263,821,913,600 - Step 5: Solve for x
x = 3,432,425,263,821,913,600/2,107,400,513 - Step 6: Final answer
x = 1,628,748,423.78
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1.5x scale
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.