Finding the Fourth Proportional to 3,173,599,206.02, 4,379,306,581.92 and 1,868,338,362.84
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Solution
The fourth proportional to 3,173,599,206.02, 4,379,306,581.92 and 1,868,338,362.84 is: 2,578,153,685.61
Step by Step Solution
- Step 1: Write the proportion equation
3,173,599,206.02 : 4,379,306,581.92 = 1,868,338,362.84 : x - Step 2: Convert to fraction form
3,173,599,206.02/4,379,306,581.92 = 1,868,338,362.84/x - Step 3: Cross multiply
3,173,599,206.02x = 4,379,306,581.92 × 1,868,338,362.84 - Step 4: Simplify right side
3,173,599,206.02x = 8,182,026,489,629,506,560 - Step 5: Solve for x
x = 8,182,026,489,629,506,560/3,173,599,206.02 - Step 6: Final answer
x = 2,578,153,685.61
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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.