Finding the Fourth Proportional to 1,575,552,112.97, 2,363,736,370.29 and 838,014,947.06
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Solution
The fourth proportional to 1,575,552,112.97, 2,363,736,370.29 and 838,014,947.06 is: 1,257,239,537.11
Step by Step Solution
- Step 1: Write the proportion equation
1,575,552,112.97 : 2,363,736,370.29 = 838,014,947.06 : x - Step 2: Convert to fraction form
1,575,552,112.97/2,363,736,370.29 = 838,014,947.06/x - Step 3: Cross multiply
1,575,552,112.97x = 2,363,736,370.29 × 838,014,947.06 - Step 4: Simplify right side
1,575,552,112.97x = 1,980,846,409,208,180,480 - Step 5: Solve for x
x = 1,980,846,409,208,180,480/1,575,552,112.97 - Step 6: Final answer
x = 1,257,239,537.11
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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.