Finding the Fourth Proportional to 1,135,438,630.12, 1,703,146,579.26 and 359,084,423.08
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Solution
The fourth proportional to 1,135,438,630.12, 1,703,146,579.26 and 359,084,423.08 is: 538,623,040.13
Step by Step Solution
- Step 1: Write the proportion equation
1,135,438,630.12 : 1,703,146,579.26 = 359,084,423.08 : x - Step 2: Convert to fraction form
1,135,438,630.12/1,703,146,579.26 = 359,084,423.08/x - Step 3: Cross multiply
1,135,438,630.12x = 1,703,146,579.26 × 359,084,423.08 - Step 4: Simplify right side
1,135,438,630.12x = 611,573,406,834,252,544 - Step 5: Solve for x
x = 611,573,406,834,252,544/1,135,438,630.12 - Step 6: Final answer
x = 538,623,040.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.