Finding the Fourth Proportional to 805,130,882.10, 1,207,696,323.15 and 455,017,551.30
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Solution
The fourth proportional to 805,130,882.10, 1,207,696,323.15 and 455,017,551.30 is: 682,526,326.95
Step by Step Solution
- Step 1: Write the proportion equation
805,130,882.10 : 1,207,696,323.15 = 455,017,551.30 : x - Step 2: Convert to fraction form
805,130,882.10/1,207,696,323.15 = 455,017,551.30/x - Step 3: Cross multiply
805,130,882.10x = 1,207,696,323.15 × 455,017,551.30 - Step 4: Simplify right side
805,130,882.10x = 549,523,023,673,726,592 - Step 5: Solve for x
x = 549,523,023,673,726,592/805,130,882.10 - Step 6: Final answer
x = 682,526,326.95
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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.