Finding the Fourth Proportional to 1,153,672,068.09, 1,592,065,299.87 and 625,049,192.55
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Solution
The fourth proportional to 1,153,672,068.09, 1,592,065,299.87 and 625,049,192.55 is: 862,566,718.65
Step by Step Solution
- Step 1: Write the proportion equation
1,153,672,068.09 : 1,592,065,299.87 = 625,049,192.55 : x - Step 2: Convert to fraction form
1,153,672,068.09/1,592,065,299.87 = 625,049,192.55/x - Step 3: Cross multiply
1,153,672,068.09x = 1,592,065,299.87 × 625,049,192.55 - Step 4: Simplify right side
1,153,672,068.09x = 995,119,130,170,616,960 - Step 5: Solve for x
x = 995,119,130,170,616,960/1,153,672,068.09 - Step 6: Final answer
x = 862,566,718.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.