Finding the Fourth Proportional to 8,831,732,057.12, 12,187,828,129.64 and 4,817,489,806.40
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Solution
The fourth proportional to 8,831,732,057.12, 12,187,828,129.64 and 4,817,489,806.40 is: 6,648,156,601.33
Step by Step Solution
- Step 1: Write the proportion equation
8,831,732,057.12 : 12,187,828,129.64 = 4,817,489,806.40 : x - Step 2: Convert to fraction form
8,831,732,057.12/12,187,828,129.64 = 4,817,489,806.40/x - Step 3: Cross multiply
8,831,732,057.12x = 12,187,828,129.64 × 4,817,489,806.40 - Step 4: Simplify right side
8,831,732,057.12x = 58,714,737,776,695,869,440 - Step 5: Solve for x
x = 58,714,737,776,695,869,440/8,831,732,057.12 - Step 6: Final answer
x = 6,648,156,601.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.