Finding the Fourth Proportional to 313,301,885.30, 432,368,269.98 and 187,874,501.99
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Solution
The fourth proportional to 313,301,885.30, 432,368,269.98 and 187,874,501.99 is: 259,273,809.73
Step by Step Solution
- Step 1: Write the proportion equation
313,301,885.30 : 432,368,269.98 = 187,874,501.99 : x - Step 2: Convert to fraction form
313,301,885.30/432,368,269.98 = 187,874,501.99/x - Step 3: Cross multiply
313,301,885.30x = 432,368,269.98 × 187,874,501.99 - Step 4: Simplify right side
313,301,885.30x = 81,230,973,395,904,000 - Step 5: Solve for x
x = 81,230,973,395,904,000/313,301,885.30 - Step 6: Final answer
x = 259,273,809.73
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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.