Home / 672,605,085.60-1,008,907,628.40-362,668,694.40

Finding the Fourth Proportional to 672,605,085.60, 1,008,907,628.40 and 362,668,694.40

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Solution

The fourth proportional to 672,605,085.60, 1,008,907,628.40 and 362,668,694.40 is: 544,003,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605,085.60 : 1,008,907,628.40 = 362,668,694.40 : x
  2. Step 2: Convert to fraction form
    672,605,085.60/1,008,907,628.40 = 362,668,694.40/x
  3. Step 3: Cross multiply
    672,605,085.60x = 1,008,907,628.40 × 362,668,694.40
  4. Step 4: Simplify right side
    672,605,085.60x = 365,899,212,362,028,352
  5. Step 5: Solve for x
    x = 365,899,212,362,028,352/672,605,085.60
  6. Step 6: Final answer
    x = 544,003,041.60

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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.