Home / 442,785,050.10-664,461,010.35-258,552,170.10

Finding the Fourth Proportional to 442,785,050.10, 664,461,010.35 and 258,552,170.10

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Solution

The fourth proportional to 442,785,050.10, 664,461,010.35 and 258,552,170.10 is: 387,993,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,785,050.10 : 664,461,010.35 = 258,552,170.10 : x
  2. Step 2: Convert to fraction form
    442,785,050.10/664,461,010.35 = 258,552,170.10/x
  3. Step 3: Cross multiply
    442,785,050.10x = 664,461,010.35 × 258,552,170.10
  4. Step 4: Simplify right side
    442,785,050.10x = 171,797,836,172,831,072
  5. Step 5: Solve for x
    x = 171,797,836,172,831,072/442,785,050.10
  6. Step 6: Final answer
    x = 387,993,759.35

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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.