Finding the Fourth Proportional to 1,184,692,385.20, 1,777,038,577.80 and 572,472,353.20
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Solution
The fourth proportional to 1,184,692,385.20, 1,777,038,577.80 and 572,472,353.20 is: 858,708,529.80
Step by Step Solution
- Step 1: Write the proportion equation
1,184,692,385.20 : 1,777,038,577.80 = 572,472,353.20 : x - Step 2: Convert to fraction form
1,184,692,385.20/1,777,038,577.80 = 572,472,353.20/x - Step 3: Cross multiply
1,184,692,385.20x = 1,777,038,577.80 × 572,472,353.20 - Step 4: Simplify right side
1,184,692,385.20x = 1,017,305,456,360,347,392 - Step 5: Solve for x
x = 1,017,305,456,360,347,392/1,184,692,385.20 - Step 6: Final answer
x = 858,708,529.80
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Similar ratio
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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.