Finding the Fourth Proportional to 2,020,842,937.80, 3,031,264,406.70 and 1,245,364,230.60
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Solution
The fourth proportional to 2,020,842,937.80, 3,031,264,406.70 and 1,245,364,230.60 is: 1,868,046,345.90
Step by Step Solution
- Step 1: Write the proportion equation
2,020,842,937.80 : 3,031,264,406.70 = 1,245,364,230.60 : x - Step 2: Convert to fraction form
2,020,842,937.80/3,031,264,406.70 = 1,245,364,230.60/x - Step 3: Cross multiply
2,020,842,937.80x = 3,031,264,406.70 × 1,245,364,230.60 - Step 4: Simplify right side
2,020,842,937.80x = 3,775,028,265,595,110,400 - Step 5: Solve for x
x = 3,775,028,265,595,110,400/2,020,842,937.80 - Step 6: Final answer
x = 1,868,046,345.90
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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.