Finding the Fourth Proportional to 3,249,098,260.42, 4,487,961,531.57 and 2,686,854,201.34
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Solution
The fourth proportional to 3,249,098,260.42, 4,487,961,531.57 and 2,686,854,201.34 is: 3,711,336,909.52
Step by Step Solution
- Step 1: Write the proportion equation
3,249,098,260.42 : 4,487,961,531.57 = 2,686,854,201.34 : x - Step 2: Convert to fraction form
3,249,098,260.42/4,487,961,531.57 = 2,686,854,201.34/x - Step 3: Cross multiply
3,249,098,260.42x = 4,487,961,531.57 × 2,686,854,201.34 - Step 4: Simplify right side
3,249,098,260.42x = 12,058,498,296,551,155,712 - Step 5: Solve for x
x = 12,058,498,296,551,155,712/3,249,098,260.42 - Step 6: Final answer
x = 3,711,336,909.52
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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.