Finding the Fourth Proportional to 4,543,219,150.80, 6,814,828,726.20 and 1,438,044,817.20
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Solution
The fourth proportional to 4,543,219,150.80, 6,814,828,726.20 and 1,438,044,817.20 is: 2,157,067,225.80
Step by Step Solution
- Step 1: Write the proportion equation
4,543,219,150.80 : 6,814,828,726.20 = 1,438,044,817.20 : x - Step 2: Convert to fraction form
4,543,219,150.80/6,814,828,726.20 = 1,438,044,817.20/x - Step 3: Cross multiply
4,543,219,150.80x = 6,814,828,726.20 × 1,438,044,817.20 - Step 4: Simplify right side
4,543,219,150.80x = 9,800,029,129,817,587,712 - Step 5: Solve for x
x = 9,800,029,129,817,587,712/4,543,219,150.80 - Step 6: Final answer
x = 2,157,067,225.80
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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.