Finding the Fourth Proportional to 1,257,489,656.24, 1,877,392,794.58 and 960,832,204.16
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Solution
The fourth proportional to 1,257,489,656.24, 1,877,392,794.58 and 960,832,204.16 is: 1,434,492,481.06
Step by Step Solution
- Step 1: Write the proportion equation
1,257,489,656.24 : 1,877,392,794.58 = 960,832,204.16 : x - Step 2: Convert to fraction form
1,257,489,656.24/1,877,392,794.58 = 960,832,204.16/x - Step 3: Cross multiply
1,257,489,656.24x = 1,877,392,794.58 × 960,832,204.16 - Step 4: Simplify right side
1,257,489,656.24x = 1,803,859,456,890,403,328 - Step 5: Solve for x
x = 1,803,859,456,890,403,328/1,257,489,656.24 - Step 6: Final answer
x = 1,434,492,481.06
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.