Home / 724,674,703.20-1,087,330,919.40-336,297,620.40

Finding the Fourth Proportional to 724,674,703.20, 1,087,330,919.40 and 336,297,620.40

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Solution

The fourth proportional to 724,674,703.20, 1,087,330,919.40 and 336,297,620.40 is: 504,594,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,674,703.20 : 1,087,330,919.40 = 336,297,620.40 : x
  2. Step 2: Convert to fraction form
    724,674,703.20/1,087,330,919.40 = 336,297,620.40/x
  3. Step 3: Cross multiply
    724,674,703.20x = 1,087,330,919.40 × 336,297,620.40
  4. Step 4: Simplify right side
    724,674,703.20x = 365,666,800,781,564,224
  5. Step 5: Solve for x
    x = 365,666,800,781,564,224/724,674,703.20
  6. Step 6: Final answer
    x = 504,594,405.14

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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.