Finding the Fourth Proportional to 405,106,864.71, 607,660,304.35 and 98,396,910.87
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Solution
The fourth proportional to 405,106,864.71, 607,660,304.35 and 98,396,910.87 is: 147,595,368.07
Step by Step Solution
- Step 1: Write the proportion equation
405,106,864.71 : 607,660,304.35 = 98,396,910.87 : x - Step 2: Convert to fraction form
405,106,864.71/607,660,304.35 = 98,396,910.87/x - Step 3: Cross multiply
405,106,864.71x = 607,660,304.35 × 98,396,910.87 - Step 4: Simplify right side
405,106,864.71x = 59,791,896,806,364,032 - Step 5: Solve for x
x = 59,791,896,806,364,032/405,106,864.71 - Step 6: Final answer
x = 147,595,368.07
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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.