Finding the Fourth Proportional to 1,522,249,206.80, 2,283,373,810.20 and 747,408,228.80
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Solution
The fourth proportional to 1,522,249,206.80, 2,283,373,810.20 and 747,408,228.80 is: 1,121,112,343.20
Step by Step Solution
- Step 1: Write the proportion equation
1,522,249,206.80 : 2,283,373,810.20 = 747,408,228.80 : x - Step 2: Convert to fraction form
1,522,249,206.80/2,283,373,810.20 = 747,408,228.80/x - Step 3: Cross multiply
1,522,249,206.80x = 2,283,373,810.20 × 747,408,228.80 - Step 4: Simplify right side
1,522,249,206.80x = 1,706,612,375,169,889,024 - Step 5: Solve for x
x = 1,706,612,375,169,889,024/1,522,249,206.80 - Step 6: Final answer
x = 1,121,112,343.20
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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.