Finding the Fourth Proportional to 304,133,040.10, 455,303,764.95 and 286,416,201.70
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Solution
The fourth proportional to 304,133,040.10, 455,303,764.95 and 286,416,201.70 is: 428,780,690.63
Step by Step Solution
- Step 1: Write the proportion equation
304,133,040.10 : 455,303,764.95 = 286,416,201.70 : x - Step 2: Convert to fraction form
304,133,040.10/455,303,764.95 = 286,416,201.70/x - Step 3: Cross multiply
304,133,040.10x = 455,303,764.95 × 286,416,201.70 - Step 4: Simplify right side
304,133,040.10x = 130,406,374,976,688,576 - Step 5: Solve for x
x = 130,406,374,976,688,576/304,133,040.10 - Step 6: Final answer
x = 428,780,690.63
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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.