Finding the Fourth Proportional to 1,437,781,276,688.40, 1,984,200,531,745.80 and 796,212,946,904.36
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Solution
The fourth proportional to 1,437,781,276,688.40, 1,984,200,531,745.80 and 796,212,946,904.36 is: 1,098,808,405,871.95
Step by Step Solution
- Step 1: Write the proportion equation
1,437,781,276,688.40 : 1,984,200,531,745.80 = 796,212,946,904.36 : x - Step 2: Convert to fraction form
1,437,781,276,688.40/1,984,200,531,745.80 = 796,212,946,904.36/x - Step 3: Cross multiply
1,437,781,276,688.40x = 1,984,200,531,745.80 × 796,212,946,904.36 - Step 4: Simplify right side
1,437,781,276,688.40x = 1,579,846,152,630,521,479,299,072 - Step 5: Solve for x
x = 1,579,846,152,630,521,479,299,072/1,437,781,276,688.40 - Step 6: Final answer
x = 1,098,808,405,871.95
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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.