Finding the Fourth Proportional to 4,722,372,777.90, 7,087,842,187.65 and 2,394,928,886.70
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Solution
The fourth proportional to 4,722,372,777.90, 7,087,842,187.65 and 2,394,928,886.70 is: 3,594,565,443.67
Step by Step Solution
- Step 1: Write the proportion equation
4,722,372,777.90 : 7,087,842,187.65 = 2,394,928,886.70 : x - Step 2: Convert to fraction form
4,722,372,777.90/7,087,842,187.65 = 2,394,928,886.70/x - Step 3: Cross multiply
4,722,372,777.90x = 7,087,842,187.65 × 2,394,928,886.70 - Step 4: Simplify right side
4,722,372,777.90x = 16,974,877,999,573,905,408 - Step 5: Solve for x
x = 16,974,877,999,573,905,408/4,722,372,777.90 - Step 6: Final answer
x = 3,594,565,443.67
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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.