Finding the Fourth Proportional to 4,238,013,312.09, 6,352,746,587.37 and 2,665,244,631.87
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Solution
The fourth proportional to 4,238,013,312.09, 6,352,746,587.37 and 2,665,244,631.87 is: 3,995,179,460.93
Step by Step Solution
- Step 1: Write the proportion equation
4,238,013,312.09 : 6,352,746,587.37 = 2,665,244,631.87 : x - Step 2: Convert to fraction form
4,238,013,312.09/6,352,746,587.37 = 2,665,244,631.87/x - Step 3: Cross multiply
4,238,013,312.09x = 6,352,746,587.37 × 2,665,244,631.87 - Step 4: Simplify right side
4,238,013,312.09x = 16,931,623,739,618,353,152 - Step 5: Solve for x
x = 16,931,623,739,618,353,152/4,238,013,312.09 - Step 6: Final answer
x = 3,995,179,460.93
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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.