Finding the Fourth Proportional to 521,926,957.58, 783,195,719.70 and 194,628,585.74
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Solution
The fourth proportional to 521,926,957.58, 783,195,719.70 and 194,628,585.74 is: 292,056,719.95
Step by Step Solution
- Step 1: Write the proportion equation
521,926,957.58 : 783,195,719.70 = 194,628,585.74 : x - Step 2: Convert to fraction form
521,926,957.58/783,195,719.70 = 194,628,585.74/x - Step 3: Cross multiply
521,926,957.58x = 783,195,719.70 × 194,628,585.74 - Step 4: Simplify right side
521,926,957.58x = 152,432,275,282,832,480 - Step 5: Solve for x
x = 152,432,275,282,832,480/521,926,957.58 - Step 6: Final answer
x = 292,056,719.95
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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.