Finding the Fourth Proportional to 937,432,969.20, 1,406,226,130.56 and 470,854,481.76
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Solution
The fourth proportional to 937,432,969.20, 1,406,226,130.56 and 470,854,481.76 is: 706,320,235.90
Step by Step Solution
- Step 1: Write the proportion equation
937,432,969.20 : 1,406,226,130.56 = 470,854,481.76 : x - Step 2: Convert to fraction form
937,432,969.20/1,406,226,130.56 = 470,854,481.76/x - Step 3: Cross multiply
937,432,969.20x = 1,406,226,130.56 × 470,854,481.76 - Step 4: Simplify right side
937,432,969.20x = 662,127,875,942,198,912 - Step 5: Solve for x
x = 662,127,875,942,198,912/937,432,969.20 - Step 6: Final answer
x = 706,320,235.90
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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.