Finding the Fourth Proportional to 452,292,438.29, 624,178,720.94 and 251,357,780.21
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Solution
The fourth proportional to 452,292,438.29, 624,178,720.94 and 251,357,780.21 is: 346,882,159.56
Step by Step Solution
- Step 1: Write the proportion equation
452,292,438.29 : 624,178,720.94 = 251,357,780.21 : x - Step 2: Convert to fraction form
452,292,438.29/624,178,720.94 = 251,357,780.21/x - Step 3: Cross multiply
452,292,438.29x = 624,178,720.94 × 251,357,780.21 - Step 4: Simplify right side
452,292,438.29x = 156,892,177,745,417,760 - Step 5: Solve for x
x = 156,892,177,745,417,760/452,292,438.29 - Step 6: Final answer
x = 346,882,159.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.