Finding the Fourth Proportional to 1,412,239,865.90, 2,118,836,526.56 and 625,184,952.14
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Solution
The fourth proportional to 1,412,239,865.90, 2,118,836,526.56 and 625,184,952.14 is: 937,988,470.96
Step by Step Solution
- Step 1: Write the proportion equation
1,412,239,865.90 : 2,118,836,526.56 = 625,184,952.14 : x - Step 2: Convert to fraction form
1,412,239,865.90/2,118,836,526.56 = 625,184,952.14/x - Step 3: Cross multiply
1,412,239,865.90x = 2,118,836,526.56 × 625,184,952.14 - Step 4: Simplify right side
1,412,239,865.90x = 1,324,664,712,440,866,304 - Step 5: Solve for x
x = 1,324,664,712,440,866,304/1,412,239,865.90 - Step 6: Final answer
x = 937,988,470.96
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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.