Finding the Fourth Proportional to 2,140,966,682.64, 3,211,604,805.47 and 896,145,191.99
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Solution
The fourth proportional to 2,140,966,682.64, 3,211,604,805.47 and 896,145,191.99 is: 1,344,282,574.93
Step by Step Solution
- Step 1: Write the proportion equation
2,140,966,682.64 : 3,211,604,805.47 = 896,145,191.99 : x - Step 2: Convert to fraction form
2,140,966,682.64/3,211,604,805.47 = 896,145,191.99/x - Step 3: Cross multiply
2,140,966,682.64x = 3,211,604,805.47 × 896,145,191.99 - Step 4: Simplify right side
2,140,966,682.64x = 2,878,064,204,987,901,440 - Step 5: Solve for x
x = 2,878,064,204,987,901,440/2,140,966,682.64 - Step 6: Final answer
x = 1,344,282,574.93
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1.5x scale
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.