Finding the Fourth Proportional to 1,898,998,678.16, 2,848,239,437.16 and 499,865,778.08
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Solution
The fourth proportional to 1,898,998,678.16, 2,848,239,437.16 and 499,865,778.08 is: 749,730,602.13
Step by Step Solution
- Step 1: Write the proportion equation
1,898,998,678.16 : 2,848,239,437.16 = 499,865,778.08 : x - Step 2: Convert to fraction form
1,898,998,678.16/2,848,239,437.16 = 499,865,778.08/x - Step 3: Cross multiply
1,898,998,678.16x = 2,848,239,437.16 × 499,865,778.08 - Step 4: Simplify right side
1,898,998,678.16x = 1,423,737,422,414,124,544 - Step 5: Solve for x
x = 1,423,737,422,414,124,544/1,898,998,678.16 - Step 6: Final answer
x = 749,730,602.13
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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.