Finding the Fourth Proportional to 5,382,828,187.80, 8,074,242,281.70 and 4,657,234,075.80
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Solution
The fourth proportional to 5,382,828,187.80, 8,074,242,281.70 and 4,657,234,075.80 is: 6,985,851,113.70
Step by Step Solution
- Step 1: Write the proportion equation
5,382,828,187.80 : 8,074,242,281.70 = 4,657,234,075.80 : x - Step 2: Convert to fraction form
5,382,828,187.80/8,074,242,281.70 = 4,657,234,075.80/x - Step 3: Cross multiply
5,382,828,187.80x = 8,074,242,281.70 × 4,657,234,075.80 - Step 4: Simplify right side
5,382,828,187.80x = 37,603,636,290,598,379,520 - Step 5: Solve for x
x = 37,603,636,290,598,379,520/5,382,828,187.80 - Step 6: Final answer
x = 6,985,851,113.70
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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.