Finding the Fourth Proportional to 2,896,171,746.90, 4,346,525,101.95 and 1,343,655,438.90
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Solution
The fourth proportional to 2,896,171,746.90, 4,346,525,101.95 and 1,343,655,438.90 is: 2,016,535,138.08
Step by Step Solution
- Step 1: Write the proportion equation
2,896,171,746.90 : 4,346,525,101.95 = 1,343,655,438.90 : x - Step 2: Convert to fraction form
2,896,171,746.90/4,346,525,101.95 = 1,343,655,438.90/x - Step 3: Cross multiply
2,896,171,746.90x = 4,346,525,101.95 × 1,343,655,438.90 - Step 4: Simplify right side
2,896,171,746.90x = 5,840,232,093,550,494,720 - Step 5: Solve for x
x = 5,840,232,093,550,494,720/2,896,171,746.90 - Step 6: Final answer
x = 2,016,535,138.08
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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.