Finding the Fourth Proportional to 2,783,228,948.32, 4,177,868,502.68 and 1,126,277,004.28
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Solution
The fourth proportional to 2,783,228,948.32, 4,177,868,502.68 and 1,126,277,004.28 is: 1,690,639,652.31
Step by Step Solution
- Step 1: Write the proportion equation
2,783,228,948.32 : 4,177,868,502.68 = 1,126,277,004.28 : x - Step 2: Convert to fraction form
2,783,228,948.32/4,177,868,502.68 = 1,126,277,004.28/x - Step 3: Cross multiply
2,783,228,948.32x = 4,177,868,502.68 × 1,126,277,004.28 - Step 4: Simplify right side
2,783,228,948.32x = 4,705,437,221,474,199,552 - Step 5: Solve for x
x = 4,705,437,221,474,199,552/2,783,228,948.32 - Step 6: Final answer
x = 1,690,639,652.31
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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.