Home / 672,015,014.30-1,008,022,521.45-488,349,004.70

Finding the Fourth Proportional to 672,015,014.30, 1,008,022,521.45 and 488,349,004.70

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Solution

The fourth proportional to 672,015,014.30, 1,008,022,521.45 and 488,349,004.70 is: 732,523,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,015,014.30 : 1,008,022,521.45 = 488,349,004.70 : x
  2. Step 2: Convert to fraction form
    672,015,014.30/1,008,022,521.45 = 488,349,004.70/x
  3. Step 3: Cross multiply
    672,015,014.30x = 1,008,022,521.45 × 488,349,004.70
  4. Step 4: Simplify right side
    672,015,014.30x = 492,266,795,065,291,904
  5. Step 5: Solve for x
    x = 492,266,795,065,291,904/672,015,014.30
  6. Step 6: Final answer
    x = 732,523,507.05

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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.