Finding the Fourth Proportional to 1,337,472,028.80, 2,006,208,043.20 and 717,599,246.40
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Solution
The fourth proportional to 1,337,472,028.80, 2,006,208,043.20 and 717,599,246.40 is: 1,076,398,869.60
Step by Step Solution
- Step 1: Write the proportion equation
1,337,472,028.80 : 2,006,208,043.20 = 717,599,246.40 : x - Step 2: Convert to fraction form
1,337,472,028.80/2,006,208,043.20 = 717,599,246.40/x - Step 3: Cross multiply
1,337,472,028.80x = 2,006,208,043.20 × 717,599,246.40 - Step 4: Simplify right side
1,337,472,028.80x = 1,439,653,379,921,938,688 - Step 5: Solve for x
x = 1,439,653,379,921,938,688/1,337,472,028.80 - Step 6: Final answer
x = 1,076,398,869.60
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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.