Finding the Fourth Proportional to 1,498,411,279.08, 2,248,391,909.41 and 1,087,277,728.64
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Solution
The fourth proportional to 1,498,411,279.08, 2,248,391,909.41 and 1,087,277,728.64 is: 1,631,478,942.05
Step by Step Solution
- Step 1: Write the proportion equation
1,498,411,279.08 : 2,248,391,909.41 = 1,087,277,728.64 : x - Step 2: Convert to fraction form
1,498,411,279.08/2,248,391,909.41 = 1,087,277,728.64/x - Step 3: Cross multiply
1,498,411,279.08x = 2,248,391,909.41 × 1,087,277,728.64 - Step 4: Simplify right side
1,498,411,279.08x = 2,444,626,448,342,005,760 - Step 5: Solve for x
x = 2,444,626,448,342,005,760/1,498,411,279.08 - Step 6: Final answer
x = 1,631,478,942.05
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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.