Finding the Fourth Proportional to 1,119,745,272.80, 1,679,617,909.20 and 1,074,395,640.80
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Solution
The fourth proportional to 1,119,745,272.80, 1,679,617,909.20 and 1,074,395,640.80 is: 1,611,593,461.20
Step by Step Solution
- Step 1: Write the proportion equation
1,119,745,272.80 : 1,679,617,909.20 = 1,074,395,640.80 : x - Step 2: Convert to fraction form
1,119,745,272.80/1,679,617,909.20 = 1,074,395,640.80/x - Step 3: Cross multiply
1,119,745,272.80x = 1,679,617,909.20 × 1,074,395,640.80 - Step 4: Simplify right side
1,119,745,272.80x = 1,804,574,159,854,090,240 - Step 5: Solve for x
x = 1,804,574,159,854,090,240/1,119,745,272.80 - Step 6: Final answer
x = 1,611,593,461.20
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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.