Finding the Fourth Proportional to 2,229,403,051.74, 3,345,408,590.64 and 831,353,170.46
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Solution
The fourth proportional to 2,229,403,051.74, 3,345,408,590.64 and 831,353,170.46 is: 1,247,516,027.28
Step by Step Solution
- Step 1: Write the proportion equation
2,229,403,051.74 : 3,345,408,590.64 = 831,353,170.46 : x - Step 2: Convert to fraction form
2,229,403,051.74/3,345,408,590.64 = 831,353,170.46/x - Step 3: Cross multiply
2,229,403,051.74x = 3,345,408,590.64 × 831,353,170.46 - Step 4: Simplify right side
2,229,403,051.74x = 2,781,216,038,312,684,544 - Step 5: Solve for x
x = 2,781,216,038,312,684,544/2,229,403,051.74 - Step 6: Final answer
x = 1,247,516,027.28
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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.