Finding the Fourth Proportional to 2,425,139,438.96, 3,346,736,012.60 and 1,422,280,315.53
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Solution
The fourth proportional to 2,425,139,438.96, 3,346,736,012.60 and 1,422,280,315.53 is: 1,962,772,397.96
Step by Step Solution
- Step 1: Write the proportion equation
2,425,139,438.96 : 3,346,736,012.60 = 1,422,280,315.53 : x - Step 2: Convert to fraction form
2,425,139,438.96/3,346,736,012.60 = 1,422,280,315.53/x - Step 3: Cross multiply
2,425,139,438.96x = 3,346,736,012.60 × 1,422,280,315.53 - Step 4: Simplify right side
2,425,139,438.96x = 4,759,996,751,989,230,592 - Step 5: Solve for x
x = 4,759,996,751,989,230,592/2,425,139,438.96 - Step 6: Final answer
x = 1,962,772,397.96
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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.