Finding the Fourth Proportional to 2,422,385,257.76, 3,343,513,633.47 and 1,577,717,416.40
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Solution
The fourth proportional to 2,422,385,257.76, 3,343,513,633.47 and 1,577,717,416.40 is: 2,177,655,133.33
Step by Step Solution
- Step 1: Write the proportion equation
2,422,385,257.76 : 3,343,513,633.47 = 1,577,717,416.40 : x - Step 2: Convert to fraction form
2,422,385,257.76/3,343,513,633.47 = 1,577,717,416.40/x - Step 3: Cross multiply
2,422,385,257.76x = 3,343,513,633.47 × 1,577,717,416.40 - Step 4: Simplify right side
2,422,385,257.76x = 5,275,119,691,475,172,352 - Step 5: Solve for x
x = 5,275,119,691,475,172,352/2,422,385,257.76 - Step 6: Final answer
x = 2,177,655,133.33
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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.