Finding the Fourth Proportional to 2,971,357,347.80, 4,446,454,440.90 and 2,587,397,130.20
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Solution
The fourth proportional to 2,971,357,347.80, 4,446,454,440.90 and 2,587,397,130.20 is: 3,871,881,471.43
Step by Step Solution
- Step 1: Write the proportion equation
2,971,357,347.80 : 4,446,454,440.90 = 2,587,397,130.20 : x - Step 2: Convert to fraction form
2,971,357,347.80/4,446,454,440.90 = 2,587,397,130.20/x - Step 3: Cross multiply
2,971,357,347.80x = 4,446,454,440.90 × 2,587,397,130.20 - Step 4: Simplify right side
2,971,357,347.80x = 11,504,743,459,949,703,168 - Step 5: Solve for x
x = 11,504,743,459,949,703,168/2,971,357,347.80 - Step 6: Final answer
x = 3,871,881,471.43
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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.