Finding the Fourth Proportional to 1,157,537,112.60, 1,736,305,668.90 and 1,068,853,387.80
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Solution
The fourth proportional to 1,157,537,112.60, 1,736,305,668.90 and 1,068,853,387.80 is: 1,603,280,081.70
Step by Step Solution
- Step 1: Write the proportion equation
1,157,537,112.60 : 1,736,305,668.90 = 1,068,853,387.80 : x - Step 2: Convert to fraction form
1,157,537,112.60/1,736,305,668.90 = 1,068,853,387.80/x - Step 3: Cross multiply
1,157,537,112.60x = 1,736,305,668.90 × 1,068,853,387.80 - Step 4: Simplify right side
1,157,537,112.60x = 1,855,856,196,460,110,080 - Step 5: Solve for x
x = 1,855,856,196,460,110,080/1,157,537,112.60 - Step 6: Final answer
x = 1,603,280,081.70
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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.