Finding the Fourth Proportional to 1,179,558,461.80, 1,767,081,615.90 and 634,118,717.80
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Solution
The fourth proportional to 1,179,558,461.80, 1,767,081,615.90 and 634,118,717.80 is: 949,965,232.59
Step by Step Solution
- Step 1: Write the proportion equation
1,179,558,461.80 : 1,767,081,615.90 = 634,118,717.80 : x - Step 2: Convert to fraction form
1,179,558,461.80/1,767,081,615.90 = 634,118,717.80/x - Step 3: Cross multiply
1,179,558,461.80x = 1,767,081,615.90 × 634,118,717.80 - Step 4: Simplify right side
1,179,558,461.80x = 1,120,539,528,522,460,032 - Step 5: Solve for x
x = 1,120,539,528,522,460,032/1,179,558,461.80 - Step 6: Final answer
x = 949,965,232.59
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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.