Home / 458,160,287.40-687,240,431.10-167,036,907.60

Finding the Fourth Proportional to 458,160,287.40, 687,240,431.10 and 167,036,907.60

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Solution

The fourth proportional to 458,160,287.40, 687,240,431.10 and 167,036,907.60 is: 250,555,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,160,287.40 : 687,240,431.10 = 167,036,907.60 : x
  2. Step 2: Convert to fraction form
    458,160,287.40/687,240,431.10 = 167,036,907.60/x
  3. Step 3: Cross multiply
    458,160,287.40x = 687,240,431.10 × 167,036,907.60
  4. Step 4: Simplify right side
    458,160,287.40x = 114,794,516,388,634,864
  5. Step 5: Solve for x
    x = 114,794,516,388,634,864/458,160,287.40
  6. Step 6: Final answer
    x = 250,555,361.40

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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.