Finding the Fourth Proportional to 8,625,506,119.40, 12,938,259,179.10 and 8,286,895,533.80
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Solution
The fourth proportional to 8,625,506,119.40, 12,938,259,179.10 and 8,286,895,533.80 is: 12,430,343,300.70
Step by Step Solution
- Step 1: Write the proportion equation
8,625,506,119.40 : 12,938,259,179.10 = 8,286,895,533.80 : x - Step 2: Convert to fraction form
8,625,506,119.40/12,938,259,179.10 = 8,286,895,533.80/x - Step 3: Cross multiply
8,625,506,119.40x = 12,938,259,179.10 × 8,286,895,533.80 - Step 4: Simplify right side
8,625,506,119.40x = 107,218,002,206,430,642,176 - Step 5: Solve for x
x = 107,218,002,206,430,642,176/8,625,506,119.40 - Step 6: Final answer
x = 12,430,343,300.70
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Double scale
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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.