Finding the Fourth Proportional to 1,129,554,024.90, 1,694,331,037.35 and 402,280,296.90
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Solution
The fourth proportional to 1,129,554,024.90, 1,694,331,037.35 and 402,280,296.90 is: 603,420,445.35
Step by Step Solution
- Step 1: Write the proportion equation
1,129,554,024.90 : 1,694,331,037.35 = 402,280,296.90 : x - Step 2: Convert to fraction form
1,129,554,024.90/1,694,331,037.35 = 402,280,296.90/x - Step 3: Cross multiply
1,129,554,024.90x = 1,694,331,037.35 × 402,280,296.90 - Step 4: Simplify right side
1,129,554,024.90x = 681,595,992,752,042,880 - Step 5: Solve for x
x = 681,595,992,752,042,880/1,129,554,024.90 - Step 6: Final answer
x = 603,420,445.35
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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.