Finding the Fourth Proportional to 1,296,153,932.04, 1,944,235,942.17 and 313,578,894.84
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Solution
The fourth proportional to 1,296,153,932.04, 1,944,235,942.17 and 313,578,894.84 is: 470,369,562.58
Step by Step Solution
- Step 1: Write the proportion equation
1,296,153,932.04 : 1,944,235,942.17 = 313,578,894.84 : x - Step 2: Convert to fraction form
1,296,153,932.04/1,944,235,942.17 = 313,578,894.84/x - Step 3: Cross multiply
1,296,153,932.04x = 1,944,235,942.17 × 313,578,894.84 - Step 4: Simplify right side
1,296,153,932.04x = 609,671,358,053,874,688 - Step 5: Solve for x
x = 609,671,358,053,874,688/1,296,153,932.04 - Step 6: Final answer
x = 470,369,562.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.