Finding the Fourth Proportional to 1,160,908,324.76, 1,742,111,655.12 and 423,916,523.84
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Solution
The fourth proportional to 1,160,908,324.76, 1,742,111,655.12 and 423,916,523.84 is: 636,148,351.45
Step by Step Solution
- Step 1: Write the proportion equation
1,160,908,324.76 : 1,742,111,655.12 = 423,916,523.84 : x - Step 2: Convert to fraction form
1,160,908,324.76/1,742,111,655.12 = 423,916,523.84/x - Step 3: Cross multiply
1,160,908,324.76x = 1,742,111,655.12 × 423,916,523.84 - Step 4: Simplify right side
1,160,908,324.76x = 738,509,916,979,619,200 - Step 5: Solve for x
x = 738,509,916,979,619,200/1,160,908,324.76 - Step 6: Final answer
x = 636,148,351.45
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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.