Finding the Fourth Proportional to 1,124,460,203.90, 1,686,847,246.05 and 469,261,042.70
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Solution
The fourth proportional to 1,124,460,203.90, 1,686,847,246.05 and 469,261,042.70 is: 703,957,058.52
Step by Step Solution
- Step 1: Write the proportion equation
1,124,460,203.90 : 1,686,847,246.05 = 469,261,042.70 : x - Step 2: Convert to fraction form
1,124,460,203.90/1,686,847,246.05 = 469,261,042.70/x - Step 3: Cross multiply
1,124,460,203.90x = 1,686,847,246.05 × 469,261,042.70 - Step 4: Simplify right side
1,124,460,203.90x = 791,571,697,557,046,400 - Step 5: Solve for x
x = 791,571,697,557,046,400/1,124,460,203.90 - Step 6: Final answer
x = 703,957,058.52
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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.