Finding the Fourth Proportional to 1,296,153,929.04, 1,944,235,937.66 and 313,578,891.84
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Solution
The fourth proportional to 1,296,153,929.04, 1,944,235,937.66 and 313,578,891.84 is: 470,369,558.08
Step by Step Solution
- Step 1: Write the proportion equation
1,296,153,929.04 : 1,944,235,937.66 = 313,578,891.84 : x - Step 2: Convert to fraction form
1,296,153,929.04/1,944,235,937.66 = 313,578,891.84/x - Step 3: Cross multiply
1,296,153,929.04x = 1,944,235,937.66 × 313,578,891.84 - Step 4: Simplify right side
1,296,153,929.04x = 609,671,350,805,358,208 - Step 5: Solve for x
x = 609,671,350,805,358,208/1,296,153,929.04 - Step 6: Final answer
x = 470,369,558.08
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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.