Finding the Fourth Proportional to 1,063,126,719.80, 1,594,690,079.70 and 488,698,047.80
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Solution
The fourth proportional to 1,063,126,719.80, 1,594,690,079.70 and 488,698,047.80 is: 733,047,071.70
Step by Step Solution
- Step 1: Write the proportion equation
1,063,126,719.80 : 1,594,690,079.70 = 488,698,047.80 : x - Step 2: Convert to fraction form
1,063,126,719.80/1,594,690,079.70 = 488,698,047.80/x - Step 3: Cross multiply
1,063,126,719.80x = 1,594,690,079.70 × 488,698,047.80 - Step 4: Simplify right side
1,063,126,719.80x = 779,321,928,795,416,448 - Step 5: Solve for x
x = 779,321,928,795,416,448/1,063,126,719.80 - Step 6: Final answer
x = 733,047,071.70
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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.