Finding the Fourth Proportional to 864,071,952.99, 1,295,961,865.16 and 242,144,154.15
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Solution
The fourth proportional to 864,071,952.99, 1,295,961,865.16 and 242,144,154.15 is: 363,175,298.73
Step by Step Solution
- Step 1: Write the proportion equation
864,071,952.99 : 1,295,961,865.16 = 242,144,154.15 : x - Step 2: Convert to fraction form
864,071,952.99/1,295,961,865.16 = 242,144,154.15/x - Step 3: Cross multiply
864,071,952.99x = 1,295,961,865.16 × 242,144,154.15 - Step 4: Simplify right side
864,071,952.99x = 313,809,589,648,613,824 - Step 5: Solve for x
x = 313,809,589,648,613,824/864,071,952.99 - Step 6: Final answer
x = 363,175,298.73
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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.