Finding the Fourth Proportional to 1,203,440,652.99, 1,660,044,498.36 and 756,696,733.77
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Solution
The fourth proportional to 1,203,440,652.99, 1,660,044,498.36 and 756,696,733.77 is: 1,043,799,082.82
Step by Step Solution
- Step 1: Write the proportion equation
1,203,440,652.99 : 1,660,044,498.36 = 756,696,733.77 : x - Step 2: Convert to fraction form
1,203,440,652.99/1,660,044,498.36 = 756,696,733.77/x - Step 3: Cross multiply
1,203,440,652.99x = 1,660,044,498.36 × 756,696,733.77 - Step 4: Simplify right side
1,203,440,652.99x = 1,256,150,249,821,870,080 - Step 5: Solve for x
x = 1,256,150,249,821,870,080/1,203,440,652.99 - Step 6: Final answer
x = 1,043,799,082.82
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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.