Finding the Fourth Proportional to 2,648,490,404.28, 3,971,356,161.84 and 1,249,098,938.84
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Solution
The fourth proportional to 2,648,490,404.28, 3,971,356,161.84 and 1,249,098,938.84 is: 1,872,997,825.28
Step by Step Solution
- Step 1: Write the proportion equation
2,648,490,404.28 : 3,971,356,161.84 = 1,249,098,938.84 : x - Step 2: Convert to fraction form
2,648,490,404.28/3,971,356,161.84 = 1,249,098,938.84/x - Step 3: Cross multiply
2,648,490,404.28x = 3,971,356,161.84 × 1,249,098,938.84 - Step 4: Simplify right side
2,648,490,404.28x = 4,960,616,767,490,183,168 - Step 5: Solve for x
x = 4,960,616,767,490,183,168/2,648,490,404.28 - Step 6: Final answer
x = 1,872,997,825.28
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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.