Finding the Fourth Proportional to 1,259,714,830.80, 1,889,572,246.20 and 1,132,735,861.20
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Solution
The fourth proportional to 1,259,714,830.80, 1,889,572,246.20 and 1,132,735,861.20 is: 1,699,103,791.80
Step by Step Solution
- Step 1: Write the proportion equation
1,259,714,830.80 : 1,889,572,246.20 = 1,132,735,861.20 : x - Step 2: Convert to fraction form
1,259,714,830.80/1,889,572,246.20 = 1,132,735,861.20/x - Step 3: Cross multiply
1,259,714,830.80x = 1,889,572,246.20 × 1,132,735,861.20 - Step 4: Simplify right side
1,259,714,830.80x = 2,140,386,245,598,975,488 - Step 5: Solve for x
x = 2,140,386,245,598,975,488/1,259,714,830.80 - Step 6: Final answer
x = 1,699,103,791.80
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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.