Home / 414,720,874.77-572,332,194.23-238,509,007.71

Finding the Fourth Proportional to 414,720,874.77, 572,332,194.23 and 238,509,007.71

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Solution

The fourth proportional to 414,720,874.77, 572,332,194.23 and 238,509,007.71 is: 329,152,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,720,874.77 : 572,332,194.23 = 238,509,007.71 : x
  2. Step 2: Convert to fraction form
    414,720,874.77/572,332,194.23 = 238,509,007.71/x
  3. Step 3: Cross multiply
    414,720,874.77x = 572,332,194.23 × 238,509,007.71
  4. Step 4: Simplify right side
    414,720,874.77x = 136,506,383,725,091,760
  5. Step 5: Solve for x
    x = 136,506,383,725,091,760/414,720,874.77
  6. Step 6: Final answer
    x = 329,152,430.06

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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.