Finding the Fourth Proportional to 2,438,220,962.68, 3,365,024,058.76 and 1,366,813,669
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Solution
The fourth proportional to 2,438,220,962.68, 3,365,024,058.76 and 1,366,813,669 is: 1,886,359,337.58
Step by Step Solution
- Step 1: Write the proportion equation
2,438,220,962.68 : 3,365,024,058.76 = 1,366,813,669 : x - Step 2: Convert to fraction form
2,438,220,962.68/3,365,024,058.76 = 1,366,813,669/x - Step 3: Cross multiply
2,438,220,962.68x = 3,365,024,058.76 × 1,366,813,669 - Step 4: Simplify right side
2,438,220,962.68x = 4,599,360,880,027,027,456 - Step 5: Solve for x
x = 4,599,360,880,027,027,456/2,438,220,962.68 - Step 6: Final answer
x = 1,886,359,337.58
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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.