Finding the Fourth Proportional to 1,091,394,533.61, 1,637,098,886.30 and 436,400,586.99
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Solution
The fourth proportional to 1,091,394,533.61, 1,637,098,886.30 and 436,400,586.99 is: 654,603,713.82
Step by Step Solution
- Step 1: Write the proportion equation
1,091,394,533.61 : 1,637,098,886.30 = 436,400,586.99 : x - Step 2: Convert to fraction form
1,091,394,533.61/1,637,098,886.30 = 436,400,586.99/x - Step 3: Cross multiply
1,091,394,533.61x = 1,637,098,886.30 × 436,400,586.99 - Step 4: Simplify right side
1,091,394,533.61x = 714,430,914,939,813,376 - Step 5: Solve for x
x = 714,430,914,939,813,376/1,091,394,533.61 - Step 6: Final answer
x = 654,603,713.82
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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.