Finding the Fourth Proportional to 805,683,845.16, 1,208,521,801.98 and 696,175,759.08
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Solution
The fourth proportional to 805,683,845.16, 1,208,521,801.98 and 696,175,759.08 is: 1,044,260,211.88
Step by Step Solution
- Step 1: Write the proportion equation
805,683,845.16 : 1,208,521,801.98 = 696,175,759.08 : x - Step 2: Convert to fraction form
805,683,845.16/1,208,521,801.98 = 696,175,759.08/x - Step 3: Cross multiply
805,683,845.16x = 1,208,521,801.98 × 696,175,759.08 - Step 4: Simplify right side
805,683,845.16x = 841,343,582,858,156,032 - Step 5: Solve for x
x = 841,343,582,858,156,032/805,683,845.16 - Step 6: Final answer
x = 1,044,260,211.88
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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.