Finding the Fourth Proportional to 1,417,241,488.96, 2,125,675,591.62 and 421,241,257
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Solution
The fourth proportional to 1,417,241,488.96, 2,125,675,591.62 and 421,241,257 is: 631,806,410.67
Step by Step Solution
- Step 1: Write the proportion equation
1,417,241,488.96 : 2,125,675,591.62 = 421,241,257 : x - Step 2: Convert to fraction form
1,417,241,488.96/2,125,675,591.62 = 421,241,257/x - Step 3: Cross multiply
1,417,241,488.96x = 2,125,675,591.62 × 421,241,257 - Step 4: Simplify right side
1,417,241,488.96x = 895,422,258,188,227,456 - Step 5: Solve for x
x = 895,422,258,188,227,456/1,417,241,488.96 - Step 6: Final answer
x = 631,806,410.67
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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.