Finding the Fourth Proportional to 580,202,175.74, 870,303,533.12 and 186,728,946.90
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Solution
The fourth proportional to 580,202,175.74, 870,303,533.12 and 186,728,946.90 is: 280,093,507.09
Step by Step Solution
- Step 1: Write the proportion equation
580,202,175.74 : 870,303,533.12 = 186,728,946.90 : x - Step 2: Convert to fraction form
580,202,175.74/870,303,533.12 = 186,728,946.90/x - Step 3: Cross multiply
580,202,175.74x = 870,303,533.12 × 186,728,946.90 - Step 4: Simplify right side
580,202,175.74x = 162,510,862,221,913,248 - Step 5: Solve for x
x = 162,510,862,221,913,248/580,202,175.74 - Step 6: Final answer
x = 280,093,507.09
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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.