Finding the Fourth Proportional to 8,817,977,331.12, 12,168,803,352.20 and 4,857,678,999.12
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Solution
The fourth proportional to 8,817,977,331.12, 12,168,803,352.20 and 4,857,678,999.12 is: 6,703,594,063.44
Step by Step Solution
- Step 1: Write the proportion equation
8,817,977,331.12 : 12,168,803,352.20 = 4,857,678,999.12 : x - Step 2: Convert to fraction form
8,817,977,331.12/12,168,803,352.20 = 4,857,678,999.12/x - Step 3: Cross multiply
8,817,977,331.12x = 12,168,803,352.20 × 4,857,678,999.12 - Step 4: Simplify right side
8,817,977,331.12x = 59,112,140,488,403,001,344 - Step 5: Solve for x
x = 59,112,140,488,403,001,344/8,817,977,331.12 - Step 6: Final answer
x = 6,703,594,063.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.