Finding the Fourth Proportional to 5,185,885,652.32, 7,778,848,423.92 and 1,255,585,262.08
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Solution
The fourth proportional to 5,185,885,652.32, 7,778,848,423.92 and 1,255,585,262.08 is: 1,883,382,722.23
Step by Step Solution
- Step 1: Write the proportion equation
5,185,885,652.32 : 7,778,848,423.92 = 1,255,585,262.08 : x - Step 2: Convert to fraction form
5,185,885,652.32/7,778,848,423.92 = 1,255,585,262.08/x - Step 3: Cross multiply
5,185,885,652.32x = 7,778,848,423.92 × 1,255,585,262.08 - Step 4: Simplify right side
5,185,885,652.32x = 9,767,007,437,028,188,160 - Step 5: Solve for x
x = 9,767,007,437,028,188,160/5,185,885,652.32 - Step 6: Final answer
x = 1,883,382,722.23
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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.