Finding the Fourth Proportional to 283,458,486.08, 391,172,707.59 and 153,078,294.08
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Solution
The fourth proportional to 283,458,486.08, 391,172,707.59 and 153,078,294.08 is: 211,248,044.10
Step by Step Solution
- Step 1: Write the proportion equation
283,458,486.08 : 391,172,707.59 = 153,078,294.08 : x - Step 2: Convert to fraction form
283,458,486.08/391,172,707.59 = 153,078,294.08/x - Step 3: Cross multiply
283,458,486.08x = 391,172,707.59 × 153,078,294.08 - Step 4: Simplify right side
283,458,486.08x = 59,880,050,768,935,760 - Step 5: Solve for x
x = 59,880,050,768,935,760/283,458,486.08 - Step 6: Final answer
x = 211,248,044.10
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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.