Finding the Fourth Proportional to 663,758,803.72, 995,319,545.10 and 313,713,299.08
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Solution
The fourth proportional to 663,758,803.72, 995,319,545.10 and 313,713,299.08 is: 470,419,339.65
Step by Step Solution
- Step 1: Write the proportion equation
663,758,803.72 : 995,319,545.10 = 313,713,299.08 : x - Step 2: Convert to fraction form
663,758,803.72/995,319,545.10 = 313,713,299.08/x - Step 3: Cross multiply
663,758,803.72x = 995,319,545.10 × 313,713,299.08 - Step 4: Simplify right side
663,758,803.72x = 312,244,978,132,125,824 - Step 5: Solve for x
x = 312,244,978,132,125,824/663,758,803.72 - Step 6: Final answer
x = 470,419,339.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.