Finding the Fourth Proportional to 298,473,565.23, 411,888,001.41 and 162,684,972.90
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Solution
The fourth proportional to 298,473,565.23, 411,888,001.41 and 162,684,972.90 is: 224,502,254.65
Step by Step Solution
- Step 1: Write the proportion equation
298,473,565.23 : 411,888,001.41 = 162,684,972.90 : x - Step 2: Convert to fraction form
298,473,565.23/411,888,001.41 = 162,684,972.90/x - Step 3: Cross multiply
298,473,565.23x = 411,888,001.41 × 162,684,972.90 - Step 4: Simplify right side
298,473,565.23x = 67,007,988,347,221,016 - Step 5: Solve for x
x = 67,007,988,347,221,016/298,473,565.23 - Step 6: Final answer
x = 224,502,254.65
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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.