Finding the Fourth Proportional to 733,680,953.44, 1,012,484,118.87 and 399,155,875.65
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Solution
The fourth proportional to 733,680,953.44, 1,012,484,118.87 and 399,155,875.65 is: 550,837,503.90
Step by Step Solution
- Step 1: Write the proportion equation
733,680,953.44 : 1,012,484,118.87 = 399,155,875.65 : x - Step 2: Convert to fraction form
733,680,953.44/1,012,484,118.87 = 399,155,875.65/x - Step 3: Cross multiply
733,680,953.44x = 1,012,484,118.87 × 399,155,875.65 - Step 4: Simplify right side
733,680,953.44x = 404,138,985,049,273,536 - Step 5: Solve for x
x = 404,138,985,049,273,536/733,680,953.44 - Step 6: Final answer
x = 550,837,503.90
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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.