Finding the Fourth Proportional to 1,664,974,531.40, 2,497,776,783.08 and 669,073,087.17
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Solution
The fourth proportional to 1,664,974,531.40, 2,497,776,783.08 and 669,073,087.17 is: 1,003,736,208.45
Step by Step Solution
- Step 1: Write the proportion equation
1,664,974,531.40 : 2,497,776,783.08 = 669,073,087.17 : x - Step 2: Convert to fraction form
1,664,974,531.40/2,497,776,783.08 = 669,073,087.17/x - Step 3: Cross multiply
1,664,974,531.40x = 2,497,776,783.08 × 669,073,087.17 - Step 4: Simplify right side
1,664,974,531.40x = 1,671,195,223,319,228,672 - Step 5: Solve for x
x = 1,671,195,223,319,228,672/1,664,974,531.40 - Step 6: Final answer
x = 1,003,736,208.45
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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.