Finding the Fourth Proportional to 7,257,041,453,010.90, 10,014,721,223,236 and 3,919,872,199,230
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Solution
The fourth proportional to 7,257,041,453,010.90, 10,014,721,223,236 and 3,919,872,199,230 is: 5,409,425,805,293.45
Step by Step Solution
- Step 1: Write the proportion equation
7,257,041,453,010.90 : 10,014,721,223,236 = 3,919,872,199,230 : x - Step 2: Convert to fraction form
7,257,041,453,010.90/10,014,721,223,236 = 3,919,872,199,230/x - Step 3: Cross multiply
7,257,041,453,010.90x = 10,014,721,223,236 × 3,919,872,199,230 - Step 4: Simplify right side
7,257,041,453,010.90x = 39,256,427,306,001,454,650,621,952 - Step 5: Solve for x
x = 39,256,427,306,001,454,650,621,952/7,257,041,453,010.90 - Step 6: Final answer
x = 5,409,425,805,293.45
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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.