Home / 672,014,588.80-1,008,021,883.20-488,348,579.20

Finding the Fourth Proportional to 672,014,588.80, 1,008,021,883.20 and 488,348,579.20

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Solution

The fourth proportional to 672,014,588.80, 1,008,021,883.20 and 488,348,579.20 is: 732,522,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,014,588.80 : 1,008,021,883.20 = 488,348,579.20 : x
  2. Step 2: Convert to fraction form
    672,014,588.80/1,008,021,883.20 = 488,348,579.20/x
  3. Step 3: Cross multiply
    672,014,588.80x = 1,008,021,883.20 × 488,348,579.20
  4. Step 4: Simplify right side
    672,014,588.80x = 492,266,054,463,228,352
  5. Step 5: Solve for x
    x = 492,266,054,463,228,352/672,014,588.80
  6. Step 6: Final answer
    x = 732,522,868.80

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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.