Finding the Fourth Proportional to 1,474,373,438.04, 2,034,623,252.92 and 805,318,909.58
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Solution
The fourth proportional to 1,474,373,438.04, 2,034,623,252.92 and 805,318,909.58 is: 1,111,333,490.67
Step by Step Solution
- Step 1: Write the proportion equation
1,474,373,438.04 : 2,034,623,252.92 = 805,318,909.58 : x - Step 2: Convert to fraction form
1,474,373,438.04/2,034,623,252.92 = 805,318,909.58/x - Step 3: Cross multiply
1,474,373,438.04x = 2,034,623,252.92 × 805,318,909.58 - Step 4: Simplify right side
1,474,373,438.04x = 1,638,520,579,447,646,976 - Step 5: Solve for x
x = 1,638,520,579,447,646,976/1,474,373,438.04 - Step 6: Final answer
x = 1,111,333,490.67
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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.