Finding the Fourth Proportional to 3,781,560,354.46, 5,671,350,462.41 and 1,124,900,641.44
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Solution
The fourth proportional to 3,781,560,354.46, 5,671,350,462.41 and 1,124,900,641.44 is: 1,687,056,446.28
Step by Step Solution
- Step 1: Write the proportion equation
3,781,560,354.46 : 5,671,350,462.41 = 1,124,900,641.44 : x - Step 2: Convert to fraction form
3,781,560,354.46/5,671,350,462.41 = 1,124,900,641.44/x - Step 3: Cross multiply
3,781,560,354.46x = 5,671,350,462.41 × 1,124,900,641.44 - Step 4: Simplify right side
3,781,560,354.46x = 6,379,705,772,996,049,920 - Step 5: Solve for x
x = 6,379,705,772,996,049,920/3,781,560,354.46 - Step 6: Final answer
x = 1,687,056,446.28
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1.5x scale
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.