Finding the Fourth Proportional to 2,551,576,794.90, 3,521,178,349.92 and 1,378,155,066.90
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Solution
The fourth proportional to 2,551,576,794.90, 3,521,178,349.92 and 1,378,155,066.90 is: 1,901,855,274.00
Step by Step Solution
- Step 1: Write the proportion equation
2,551,576,794.90 : 3,521,178,349.92 = 1,378,155,066.90 : x - Step 2: Convert to fraction form
2,551,576,794.90/3,521,178,349.92 = 1,378,155,066.90/x - Step 3: Cross multiply
2,551,576,794.90x = 3,521,178,349.92 × 1,378,155,066.90 - Step 4: Simplify right side
2,551,576,794.90x = 4,852,729,784,400,829,440 - Step 5: Solve for x
x = 4,852,729,784,400,829,440/2,551,576,794.90 - Step 6: Final answer
x = 1,901,855,274.00
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1.5x scale
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.