Finding the Fourth Proportional to 1,119,420,780.24, 1,545,296,092.39 and 723,137,035.80
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Solution
The fourth proportional to 1,119,420,780.24, 1,545,296,092.39 and 723,137,035.80 is: 998,249,144.03
Step by Step Solution
- Step 1: Write the proportion equation
1,119,420,780.24 : 1,545,296,092.39 = 723,137,035.80 : x - Step 2: Convert to fraction form
1,119,420,780.24/1,545,296,092.39 = 723,137,035.80/x - Step 3: Cross multiply
1,119,420,780.24x = 1,545,296,092.39 × 723,137,035.80 - Step 4: Simplify right side
1,119,420,780.24x = 1,117,460,835,676,748,672 - Step 5: Solve for x
x = 1,117,460,835,676,748,672/1,119,420,780.24 - Step 6: Final answer
x = 998,249,144.03
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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.