Finding the Fourth Proportional to 1,012,440,565.80, 1,517,843,590.11 and 930,719,062.62
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Solution
The fourth proportional to 1,012,440,565.80, 1,517,843,590.11 and 930,719,062.62 is: 1,395,327,302.27
Step by Step Solution
- Step 1: Write the proportion equation
1,012,440,565.80 : 1,517,843,590.11 = 930,719,062.62 : x - Step 2: Convert to fraction form
1,012,440,565.80/1,517,843,590.11 = 930,719,062.62/x - Step 3: Cross multiply
1,012,440,565.80x = 1,517,843,590.11 × 930,719,062.62 - Step 4: Simplify right side
1,012,440,565.80x = 1,412,685,963,390,954,496 - Step 5: Solve for x
x = 1,412,685,963,390,954,496/1,012,440,565.80 - Step 6: Final answer
x = 1,395,327,302.27
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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.