Finding the Fourth Proportional to 2,303,214,536.84, 3,178,426,487.40 and 1,245,939,902.78
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Solution
The fourth proportional to 2,303,214,536.84, 3,178,426,487.40 and 1,245,939,902.78 is: 1,719,391,887.02
Step by Step Solution
- Step 1: Write the proportion equation
2,303,214,536.84 : 3,178,426,487.40 = 1,245,939,902.78 : x - Step 2: Convert to fraction form
2,303,214,536.84/3,178,426,487.40 = 1,245,939,902.78/x - Step 3: Cross multiply
2,303,214,536.84x = 3,178,426,487.40 × 1,245,939,902.78 - Step 4: Simplify right side
2,303,214,536.84x = 3,960,128,388,698,302,976 - Step 5: Solve for x
x = 3,960,128,388,698,302,976/2,303,214,536.84 - Step 6: Final answer
x = 1,719,391,887.02
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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.