Finding the Fourth Proportional to 8,506,193,497.40, 12,759,290,246.10 and 7,359,575,641.40
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Solution
The fourth proportional to 8,506,193,497.40, 12,759,290,246.10 and 7,359,575,641.40 is: 11,039,363,462.10
Step by Step Solution
- Step 1: Write the proportion equation
8,506,193,497.40 : 12,759,290,246.10 = 7,359,575,641.40 : x - Step 2: Convert to fraction form
8,506,193,497.40/12,759,290,246.10 = 7,359,575,641.40/x - Step 3: Cross multiply
8,506,193,497.40x = 12,759,290,246.10 × 7,359,575,641.40 - Step 4: Simplify right side
8,506,193,497.40x = 93,902,961,696,750,174,208 - Step 5: Solve for x
x = 93,902,961,696,750,174,208/8,506,193,497.40 - Step 6: Final answer
x = 11,039,363,462.10
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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.