Finding the Fourth Proportional to 405,106,871.58, 607,660,314.66 and 98,396,917.74
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Solution
The fourth proportional to 405,106,871.58, 607,660,314.66 and 98,396,917.74 is: 147,595,378.38
Step by Step Solution
- Step 1: Write the proportion equation
405,106,871.58 : 607,660,314.66 = 98,396,917.74 : x - Step 2: Convert to fraction form
405,106,871.58/607,660,314.66 = 98,396,917.74/x - Step 3: Cross multiply
405,106,871.58x = 607,660,314.66 × 98,396,917.74 - Step 4: Simplify right side
405,106,871.58x = 59,791,901,995,462,528 - Step 5: Solve for x
x = 59,791,901,995,462,528/405,106,871.58 - Step 6: Final answer
x = 147,595,378.38
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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.