Finding the Fourth Proportional to 233,113,724, 321,688,489.56 and 128,689,547.84
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Solution
The fourth proportional to 233,113,724, 321,688,489.56 and 128,689,547.84 is: 177,586,911.47
Step by Step Solution
- Step 1: Write the proportion equation
233,113,724 : 321,688,489.56 = 128,689,547.84 : x - Step 2: Convert to fraction form
233,113,724/321,688,489.56 = 128,689,547.84/x - Step 3: Cross multiply
233,113,724x = 321,688,489.56 × 128,689,547.84 - Step 4: Simplify right side
233,113,724x = 41,397,946,266,808,960 - Step 5: Solve for x
x = 41,397,946,266,808,960/233,113,724 - Step 6: Final answer
x = 177,586,911.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.