Finding the Fourth Proportional to 1,617,269,427.70, 2,425,904,141.55 and 526,752,495.70
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Solution
The fourth proportional to 1,617,269,427.70, 2,425,904,141.55 and 526,752,495.70 is: 790,128,743.55
Step by Step Solution
- Step 1: Write the proportion equation
1,617,269,427.70 : 2,425,904,141.55 = 526,752,495.70 : x - Step 2: Convert to fraction form
1,617,269,427.70/2,425,904,141.55 = 526,752,495.70/x - Step 3: Cross multiply
1,617,269,427.70x = 2,425,904,141.55 × 526,752,495.70 - Step 4: Simplify right side
1,617,269,427.70x = 1,277,851,060,890,428,672 - Step 5: Solve for x
x = 1,277,851,060,890,428,672/1,617,269,427.70 - Step 6: Final answer
x = 790,128,743.55
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1.5x scale
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.