Finding the Fourth Proportional to 405,964,463.04, 608,810,219.28 and 147,125,489.76
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Solution
The fourth proportional to 405,964,463.04, 608,810,219.28 and 147,125,489.76 is: 220,638,774.66
Step by Step Solution
- Step 1: Write the proportion equation
405,964,463.04 : 608,810,219.28 = 147,125,489.76 : x - Step 2: Convert to fraction form
405,964,463.04/608,810,219.28 = 147,125,489.76/x - Step 3: Cross multiply
405,964,463.04x = 608,810,219.28 × 147,125,489.76 - Step 4: Simplify right side
405,964,463.04x = 89,571,501,682,462,992 - Step 5: Solve for x
x = 89,571,501,682,462,992/405,964,463.04 - Step 6: Final answer
x = 220,638,774.66
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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.