Finding the Fourth Proportional to 9,072,195,420.30, 13,608,293,130.45 and 8,142,386,246.70
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Solution
The fourth proportional to 9,072,195,420.30, 13,608,293,130.45 and 8,142,386,246.70 is: 12,213,579,370.05
Step by Step Solution
- Step 1: Write the proportion equation
9,072,195,420.30 : 13,608,293,130.45 = 8,142,386,246.70 : x - Step 2: Convert to fraction form
9,072,195,420.30/13,608,293,130.45 = 8,142,386,246.70/x - Step 3: Cross multiply
9,072,195,420.30x = 13,608,293,130.45 × 8,142,386,246.70 - Step 4: Simplify right side
9,072,195,420.30x = 110,803,978,826,438,164,480 - Step 5: Solve for x
x = 110,803,978,826,438,164,480/9,072,195,420.30 - Step 6: Final answer
x = 12,213,579,370.05
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Double scale
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Similar ratio
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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.