Home / 284,316,785.56-392,383,464.06-172,781,885.08

Finding the Fourth Proportional to 284,316,785.56, 392,383,464.06 and 172,781,885.08

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Solution

The fourth proportional to 284,316,785.56, 392,383,464.06 and 172,781,885.08 is: 238,454,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,316,785.56 : 392,383,464.06 = 172,781,885.08 : x
  2. Step 2: Convert to fraction form
    284,316,785.56/392,383,464.06 = 172,781,885.08/x
  3. Step 3: Cross multiply
    284,316,785.56x = 392,383,464.06 × 172,781,885.08
  4. Step 4: Simplify right side
    284,316,785.56x = 67,796,754,594,507,232
  5. Step 5: Solve for x
    x = 67,796,754,594,507,232/284,316,785.56
  6. Step 6: Final answer
    x = 238,454,984.15

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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.