Home / 822,160,680.03-1,232,748,520.17-261,680,409.03

Finding the Fourth Proportional to 822,160,680.03, 1,232,748,520.17 and 261,680,409.03

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Solution

The fourth proportional to 822,160,680.03, 1,232,748,520.17 and 261,680,409.03 is: 392,363,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,160,680.03 : 1,232,748,520.17 = 261,680,409.03 : x
  2. Step 2: Convert to fraction form
    822,160,680.03/1,232,748,520.17 = 261,680,409.03/x
  3. Step 3: Cross multiply
    822,160,680.03x = 1,232,748,520.17 × 261,680,409.03
  4. Step 4: Simplify right side
    822,160,680.03x = 322,586,136,989,212,800
  5. Step 5: Solve for x
    x = 322,586,136,989,212,800/822,160,680.03
  6. Step 6: Final answer
    x = 392,363,858.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.