Finding the Fourth Proportional to 1,509,361,271.89, 2,265,076,090.35 and 526,787,810.99
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Solution
The fourth proportional to 1,509,361,271.89, 2,265,076,090.35 and 526,787,810.99 is: 790,542,660.38
Step by Step Solution
- Step 1: Write the proportion equation
1,509,361,271.89 : 2,265,076,090.35 = 526,787,810.99 : x - Step 2: Convert to fraction form
1,509,361,271.89/2,265,076,090.35 = 526,787,810.99/x - Step 3: Cross multiply
1,509,361,271.89x = 2,265,076,090.35 × 526,787,810.99 - Step 4: Simplify right side
1,509,361,271.89x = 1,193,214,475,361,263,872 - Step 5: Solve for x
x = 1,193,214,475,361,263,872/1,509,361,271.89 - Step 6: Final answer
x = 790,542,660.38
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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.