Home / 672,015,017.30-1,008,022,525.95-488,349,007.70

Finding the Fourth Proportional to 672,015,017.30, 1,008,022,525.95 and 488,349,007.70

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Solution

The fourth proportional to 672,015,017.30, 1,008,022,525.95 and 488,349,007.70 is: 732,523,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,015,017.30 : 1,008,022,525.95 = 488,349,007.70 : x
  2. Step 2: Convert to fraction form
    672,015,017.30/1,008,022,525.95 = 488,349,007.70/x
  3. Step 3: Cross multiply
    672,015,017.30x = 1,008,022,525.95 × 488,349,007.70
  4. Step 4: Simplify right side
    672,015,017.30x = 492,266,800,286,929,984
  5. Step 5: Solve for x
    x = 492,266,800,286,929,984/672,015,017.30
  6. Step 6: Final answer
    x = 732,523,511.55

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Double scale
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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.