Finding the Fourth Proportional to 2,021,281,623.10, 3,031,922,434.65 and 1,235,599,248.70
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Solution
The fourth proportional to 2,021,281,623.10, 3,031,922,434.65 and 1,235,599,248.70 is: 1,853,398,873.05
Step by Step Solution
- Step 1: Write the proportion equation
2,021,281,623.10 : 3,031,922,434.65 = 1,235,599,248.70 : x - Step 2: Convert to fraction form
2,021,281,623.10/3,031,922,434.65 = 1,235,599,248.70/x - Step 3: Cross multiply
2,021,281,623.10x = 3,031,922,434.65 × 1,235,599,248.70 - Step 4: Simplify right side
2,021,281,623.10x = 3,746,241,082,370,214,912 - Step 5: Solve for x
x = 3,746,241,082,370,214,912/2,021,281,623.10 - Step 6: Final answer
x = 1,853,398,873.05
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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.