Home / 1,197,792,072.70-1,796,688,109.05-290,052,936.70

Finding the Fourth Proportional to 1,197,792,072.70, 1,796,688,109.05 and 290,052,936.70

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Solution

The fourth proportional to 1,197,792,072.70, 1,796,688,109.05 and 290,052,936.70 is: 435,079,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,792,072.70 : 1,796,688,109.05 = 290,052,936.70 : x
  2. Step 2: Convert to fraction form
    1,197,792,072.70/1,796,688,109.05 = 290,052,936.70/x
  3. Step 3: Cross multiply
    1,197,792,072.70x = 1,796,688,109.05 × 290,052,936.70
  4. Step 4: Simplify right side
    1,197,792,072.70x = 521,134,662,363,922,304
  5. Step 5: Solve for x
    x = 521,134,662,363,922,304/1,197,792,072.70
  6. Step 6: Final answer
    x = 435,079,405.05

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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.