Finding the Fourth Proportional to 2,931,856,102.80, 4,395,233,237.40 and 1,766,087,125.20
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Solution
The fourth proportional to 2,931,856,102.80, 4,395,233,237.40 and 1,766,087,125.20 is: 2,647,594,070.33
Step by Step Solution
- Step 1: Write the proportion equation
2,931,856,102.80 : 4,395,233,237.40 = 1,766,087,125.20 : x - Step 2: Convert to fraction form
2,931,856,102.80/4,395,233,237.40 = 1,766,087,125.20/x - Step 3: Cross multiply
2,931,856,102.80x = 4,395,233,237.40 × 1,766,087,125.20 - Step 4: Simplify right side
2,931,856,102.80x = 7,762,364,832,823,255,040 - Step 5: Solve for x
x = 7,762,364,832,823,255,040/2,931,856,102.80 - Step 6: Final answer
x = 2,647,594,070.33
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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.