Finding the Fourth Proportional to 5,679,824,530.48, 7,838,460,630.84 and 3,173,759,076.40
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Solution
The fourth proportional to 5,679,824,530.48, 7,838,460,630.84 and 3,173,759,076.40 is: 4,379,956,711.45
Step by Step Solution
- Step 1: Write the proportion equation
5,679,824,530.48 : 7,838,460,630.84 = 3,173,759,076.40 : x - Step 2: Convert to fraction form
5,679,824,530.48/7,838,460,630.84 = 3,173,759,076.40/x - Step 3: Cross multiply
5,679,824,530.48x = 7,838,460,630.84 × 3,173,759,076.40 - Step 4: Simplify right side
5,679,824,530.48x = 24,877,385,572,132,519,936 - Step 5: Solve for x
x = 24,877,385,572,132,519,936/5,679,824,530.48 - Step 6: Final answer
x = 4,379,956,711.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.